When something is so nasty you just want to slap it. Most commonly used as an adjective.
Boy: "I want to eat your FUP for dinner"
Girl: "You're so slap nasty"
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The opposite of "kick dick" (kick ass).
If something sucks you can say it slaps snooch.
I saw Twilight last night. It slaps snooch.
That slut is going to the dance with MY crush?! Dude, this slaps like, 50 snooches.
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The bigmac slap is where you get a morbidly obese person to eat 5 Bigmacs and then to slap his man tits continuously on a womans face.
Dude, I saw this huge motherfucker last night. I hit him up for Mcdonalds and had a wonderful night of Bigmac slaps.
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When a young woman is in the spawning area and is suddenly slapped across the face with a slippery dick.
Jared salmon slapped the shit outta Johanna the other night while I was in jail.
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the act of slapping a woman's vagina with a Tuna Fish...yessir.
"that bitch is pissing me off!"
"she's just begging for a tuna slap!!!"
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The act of cock slapping by ones grandfather or if you're not a grandfather yet, to cock slap while eating Orville Redenbacher's PoppyCock.
My grandfather looks like he's about to PoppyCock Slap that guy in his office. I sure hope he's still got it!
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When one person (male or female) slaps a woman with a (non-used) tampon or maxi pad, as an insult.
Mary was angry at Christina so she slapped her in the face with a pad... boy was that one hell of a period slap!
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