The noises you make during sexual climax.
Tina: "Brum Brum, Oh Kieran! Brum Brum"
Kieran: "BRUM! BRUM!"
by makit January 20, 2004
Top Definition
another name for a square edged cartoon van
muh. katie... STOP DRAWING BRUM BRUMS
by herman August 01, 2004
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