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1.
a small tissue or wad of toilet paper used by a woman to wipe up leakage from her vagina after sex. Commonly found dried up bedside and appear similar to a biscuit in size and shape. Also, commonly crunchy and stiff.
susan routinely leaves sperm biscuits scattered about her bedroom
by D. hoff March 16, 2004
 
2.
the act of ejaculating into biscuit batter before cooking it, then possibly tricking a dumb bitch into eating it
i tricked her into eating sperm biscuits! mmmm mmm good!
by creativecursing July 17, 2009