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1.
prison slang for a sexual act which entails one man laying on his stomach with his legs closed together while another man places his penis between the crack of the first mans thighs, hunches then dispells his ejaculation on on his legs
inmate 1: Man ,I heard you got fucked by that nigga.
inmate 2: Naw, he just slicked legged me.
by prison linguist May 18, 2004
 
2.
To cheat someone, or to not be truthful with.
"Hey! I loaned you five bucks and you only gave me back four. Whadaya trying to do, slick leg me?"
by zac March 02, 2005