1 definition by MissMaryJane

a way more awesome way of saying fo sho, a commonly used term for the phrase "for sure" which means definately, or that's cool or an affirmative response to something you are down with. Synonymous with mos def, shonuff, hell yeah, downskis, dow, 10-4, affirmative.
chanel: we are gonna chill later yeah?
kim: foshoskis!
by MissMaryJane April 29, 2010
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