Top Definition
when a girl is on her period and has an uncommon amount of flow that can only be produced by an internal pump.
get that blood pump under control, you're ruining my toilet
by drfeidt August 30, 2010
A totally sick hard rock/heavy metal band out of Indianola, WA. It is unique in that it is the first band in the Seattle area to produce such a distinct sound in some time. It will hopefully pave the way for other bands like it to emerge.
Check out Blood Pump's new album, the 3D EP!
by seattlemusicexpert September 14, 2011
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