2. The comical noise released when someone performing fellatio gags on a penis.
Sqhaniqua: Girl, thats a BLAP!!!!
Jimmy: Yo son, Jane blapped on my mans last night. I was kind of embarrassed for her.
Tom: Some girls just cant handle the deepthroat dawg!
Tim got blapped by charley, Tim is now Charley's bitch.
Due to the nature of chavs worldwide, the grammar of the sentence will be embaressingly incoherent and include a vast combination of other nonsensities. As a cause of the limited intelligence of said scum it is widely believed NOT to be an amalgumation of the two standard english words "bang" and "slaps".
This word is most usually used by the ringleader of a "crew" when threatening an unsuspecting, inoffesive member of the general public.