wham
noun
°a forceful blow.
°the sound of such a blow; a thud.
verb
°to strike or smash (into) something with great force or impact.

bam
interjection
°Representing a loud noise or heavy impact.
noun
°(Scottish English slang) ned, bampot.
°A jocular imposition, the same as a humbug.
verb
°To impose on any one by a falsity; also to jeer or make fun of any one.
abbreviation
°Bare Arse Minimum.
synonyms: bang, blam, pow, wham