bwoom
explosion
bwow-chcka-bwow
funky palm-muted riffs with wah pedal (sound effect), associated with pornographic movie soundtracks. often combined with playing “airguitar”. see also: neow, jug, …
bwwob bwwwobbubwub
Sound of a car engine low on coolant Cartalk
bzzz
sound of a flying insect
bwak / bwok
sound of a punch or kick (“Shonen Jump, Dragon Ball”, manga comic by Akira Toriyama), also: bwok, shwap, thwogg, klam, whack, wham, …
bweee
electric power tone
BWEEP bip bip BWEEP
U.S. city police siren in traffic (ref)
bwok / bwak
sound of a punch or kick (“Shonen Jump, Dragon Ball”, manga comic by Akira Toriyama), also: bwok, glok, klam, klok, shwap, thwogg, …
buffoon
(possibly of imitative origin) clown, may stem from allusion to puffing out cheeks as a comic gesture
bumble
bumáble /_b_mb_l/ VerbMove or act in an awkward or confused manner: “they bumbled around the house”.