2 definitions by FlashSlapper

When having sex; to pull out and catch the semen with your hand and slap the female in the face, before she can react.
"A gave that bitch a flash slap last night!"
by FlashSlapper May 10, 2012
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When recieving a handjob from someone you've just met, or a stranger. They use the hand opposite of what they write with. For example, if they're right handed they would use their left hand.
You know that girl I hooked up with the other day? She gave me a weird handjob. It was like a total stranger.
by FlashSlapper November 8, 2013
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