What is River Pump?
1.
The act, or effect, of exercising (push ups etc.) just before embarking on an intertube trip down the river. This temporarily enlarges your muscles, with the desired result being a more impressive appearance to the opposite sex.
Instead of tying up the raft he was on the bank working on his river pump.
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Random Words:
1.
A space, normally a drawer, in which all men keep there manly items. Such items can include:
Tools
Condoms
Porn mags
Batteries
Keys..