class-one handpump

A complete wanker or dickhead. Wank = handpump, class-one = the biggest
"he thought he was really cool, but everyone else thought he was a class-one handpump"
by sean camshaft September 17, 2013
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Handpump

Alternative way of saying jerk or wanker that is unlikely to contravene NSFW rules.
Do you remember when we worked for Charlie? That bloke was a total handpump.
by ultegra August 01, 2019
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