Top definition
Mumsnet (2013)

A Penis Beaker is a post-coital cleaning receptacle for men, must not be confused with a glass for drinking water
We have a dedicated post-sex cleanup area on the bedside table. A box of tissues, a small bin, and a penis beaker of clean water for temporary cleaning/dunking while the bathroom is occupied by me
by AIBU YABU October 09, 2013
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