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Male masturbation.
"You're just gonna have to slap it tonight, honey."
by Dr. Shatner June 06, 2004
slap it: put it on yo nation, yo mama, god, etc.
Lord: "i jus got sum pussy from yo girl yesterday folks".
Folks: "SLAP IT!!!"
Lord: "on tha Fin on Vice Lord my nigga".
by thatniggafrom85th May 15, 2008
tell me that you are serious by stating a gang or saying " on my momma " after you said something i hardly believe you are telling the truth about.
jhon: bruh, i fucked her and her bestfriend
dave: slap it ?
jhon: on my momma , gdn!
by thatonechickday March 29, 2014