When something is so awesome that its level of sick cannot be contained except for within the glory of a biscuit. The ultimate user of this term can spell the word with the alternative 'bisquits.'
"Dude, that jump was sick."

"Nah. It was sick biscuits!"
by kyleawesome August 30, 2011
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A friend, aquaintence, or anyone who routinely vomits after a night of drinking.
Yo bra, don't buy that turd-burglar another shot, can't you tell he's a sick biscuit.
by DJ Tanner October 25, 2007
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a vagina that is
- infected with any sort of virus, disease, STD
- smells/looks unappetizing
- on the rag
once i saw that she had a sick biscuit, and i wasn't in the mood anymore.
once i saw that she had a sick biscuit, i wasn't in the mood anymore.
by throwback402 April 5, 2008
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a vagina that is
- infected with any sort of virus, disease, STD
- smells/looks unappetizing
- on the rag
once i saw that she had a sick biscuit, and i wasn't in the mood anymore.
by throwback402 April 5, 2008
Get the sick biscuit mug.