When you meet someone special that is a half arm amputee. He/she grabs your penis with their good arm and you crank the "nub" pumping it, up and down like a an old fashioned water pump. The stroke is depending on what speed you want them to go

**Works the most efficiently when you are face to face
Bro, she gave me a colonial water pump last night and it was awesome
by Henny2002 August 30, 2015
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