Top definition
1. of course
2. an expression of shock
3. are u lying to me?
1. fo sham...course im goin to buy you a christmas present
2. Fo sham! so it was the skipper who left gilligan with the cannibals... im shocked
2. You tellin me the truth boy? Fo sham? best not be lyin to me!
by spaceghost December 18, 2003
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