Word used to call out a bluff or acknowledge a lie. Mostly used for ridiculous lies. If the statement is way too unbelievable then shaaam can be hyphenated to spell Sha-Ham
"Shaaam, you're not black."

Jon: Dude, i got that hot ass girl pregnant.
Louis: Sha-Haaaam, no you did not.
by J-Thizz May 14, 2008
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