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when your balls get crushed between your thighs
Person 1: Dude when we were playing football I tackled Steve so hard he got a sperm sandwich!

Person 2: I know! He was almost crying!
by PikeJew December 24, 2010
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2
A sperm sandwich is the act of a man ejaculating between a woman's tits and then eating it. (Spread is optional).
Man 1: Duuude I totally Sperm Sandwiched your sister last night.

Man 2: I wouldnt mind spreading some butter between her slices.

Man 1: Dude this is your sister you sick bastard

Man 2: Yeh but she's well slack.
by Sam and Paddy August 24, 2009
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