Green’s Dictionary of Slang

bamp n.

[echoic of breaking wind]

(UK juv.) a general term of abuse.

OnLine Dict. of Playground Sl. 🌐 bamp n.adj. Scruffy, tramplike or generally unloveable person. Often used as rejoinder to one who has farted. On the other hand, to become the ‘Bamp Overlord’ is the ultimate rank. (NE).