"Lwapimm" internet slang for laughing with a penis in my mouth.used to describe laughing at someone or something while giving someone a blowjob.
guy1:hey dood did you here about the pedophile at our school?guy2:yea hes like 50 years old.guy1:Lwapimm
by imfaggothwore July 22, 2009
Get the Lwapimmmug.