Onomatopoeia

An onomatopoeia (pronounced: "on-uh-mat-uh-pee-uh") was a word that phonetically sounded like or imitated the sound that it described, such as those of an animals or inanimate objects.

Onomatopoeias[]

"Ahem"

A sound made to get someone's attention.

TOS: "Spectre of the Gun"; DS9: "Looking for par'Mach in All the Wrong Places", "The Begotten"; VOY: "Cold Fire", "Hunters"; ENT: "Sleeping Dogs"
Odo often made the sound to get the attention someone, notably Quark. (DS9: "The Collaborator", "The Muse", "The Assignment")

"Babble"

TNG: "Justice"

"Ba-boom boom"

The sound of a rimshot on a drum.

TNG: "The Outrageous Okona"

"Bam!", "ka-bam!"

VOY: "Workforce"; PRO: "A Moral Star, Part 2"

"Bang(ing)"

The sound of a gun being fired or a hammer being struck.

Miles O'Brien pretending to shoot Odo during a tactical simulation. (DS9: "The Way of the Warrior")
ENT: "Silent Enemy"; TNG: "Q Who"; DS9: "Little Green Men", "The Siege of AR-558"

"Bonk"

The sound associated with hitting someone over the head.

This was common figure of speech used by the children of Miri, especially the red-headed boy, who usually coerced the rest of the children into a chant, "Bonk bonk! Bonk bonk! Bonk bonk! Bonk bonk!" (TOS: "Miri")

"Boop"

LD: "A Few Badgeys More"

"Boom!"

The sound of an explosion.

TOS: "I, Mudd"; TNG: "Elementary, Dear Data"; DS9: "For the Cause"; VOY: "Non Sequitur", "Fair Trade", "Timeless", "Bliss", "Dark Frontier", "Warhead", "One Small Step"

"Buzz(ing)"

A vibrating sound.

TOS: "The Cage", "Operation -- Annihilate!"; TNG: "The Outrageous Okona"; DS9: "The Ascent", "His Way"; VOY: "Juggernaut"

"Clap(ping)"

The sound of an open palms stricking another.

ENT: "Demons"; DS9: "His Way"

"Cluck(ed)"

The sound made by a chicken.

Captain Jean-Luc Picard accused Commander Riker of being a mother hen, by first stating "Oh, cluck, cluck, Number One," when the commander disapproved of the captain beaming down to Ramatis III along with Riva. (TNG: "Loud As A Whisper")
Macias, a Bajoran who lived in the DMZ, spoke of the night he was dragged from his bed by the Cardassians and beaten. He then added that "The authorities clucked their tongues and agreed it was an unfortunate incident, and did nothing." (TNG: "Preemptive Strike")

"Crack"

TOS: "The Way to Eden"

"Cuckoo"

DS9: "Image in the Sand"; VOY: "Concerning Flight"

"Fizz", "Fizzled"

TNG: "Night Terrors", DS9: "Valiant"

"Growl(ing)"

TNG: "Q Who", Star Trek: Insurrection; DS9: "The Wire", "Sons of Mogh"

"Ha!"

The sound of a laugh.

VOY: "One Small Step"

"Hiccup"

TNG: "We'll Always Have Paris", "Contagion"; VOY: "Lifesigns"

"Hissing"

During on particular encounter with Data's cat Spot, Commander William T. Riker recalled the moments leading up to his being scratched, concluding the story with... "The next thing I know there's a hissing ball of fur coming at my face." (TNG: "Timescape")
According to Quark, "Defective anodyne circuits make a hissing sound." (DS9: "The Ascent")

"Hum(ming)"

Kirk and Spock identified a sound described as a "low hum" as being the sound of a phaser set on overload. (TOS: "The Conscience of the King"
TNG: "Home Soil", "Violations"; DS9: "Equilibrium", "Explorers", "Business as Usual"; VOY: "The Void"

"Knock"

ENT: "Fight or Flight", "Carpenter Street", "Azati Prime"; TOS: "The Changeling"; TAS: "One of Our Planets Is Missing"; TNG: "The Dauphin", "Shades of Gray", "The Survivors", Star Trek: First Contact; DS9: "One Little Ship"

"Meow"

TOS: "Assignment: Earth"

"Peep"

VOY: "The Raven", "Bliss"

"Pew"

A sound used to represent the sound of a phaser being fired.

Prior to boarding the Yosemite for his mission to escort General K'orin to Tulgana IV, Brad Boimler entered the shuttlebay, pretended he was shooting a phaser with his fingers, towards two engineers, stating along with his actions: "Ooh! Pew, pew, pew. Good work, gents. Let's keep her right and tight. Pew, pew, pew." After they gave him a look of disapproval, Boimler quickly backpedaled, "Uh... At ease, carry on. Sorry." (LD: "Envoys")
Pew pew pew button. (PRO: "Lost and Found")