A term that orgininated from 'lap dance'. Usually when one becomes desperate for tips or just wants to get banged, a lap dance comes into play. Meaning: Desperate or just short terminology for lap dance.
Oh, snap girl, did you hear about Laquisha callin' D'Gregory31times on him cell? That ho be lappin'.
To eat the pussy. Perform cunnilingus. Munching on the Labia aka The Lab. Dine at The Y. Chicken at the Y. Licking the old Vajayjay.
Stan: Hey Joe. What are you and your girl doing tonight? Going out?
Joe: No Braaahhhh! We are staying home. She just called and told me she's all fresh and in bed ready for me to get home. I'll be Lappin Lab tonight.
Stan: Them's good eats Broooohhhh! Good eats.