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When you are doing crack and fucking a girl in the ass, spit on her bak then she turns around and bust on face, then slap her in the face with your penis.
Bob did a crack slap with your mother last night!
by Dann Higginson August 13, 2006
1. An attempted "good game" spank that accidentally connects along the ass crack.

2. Any spank that connects primarily along the ass crack.
"Dude, you just crackslapped me."
by Pirate Spice September 04, 2011