Used to express not giving a fuck, but when not giving a fuck doesn't go far enough. A bakers fuck has an inverse relationship to a bakers dozen. Where a bakers dozen includes oneextra, a bakers fuck includes one less. Hence, not giving a bakers fuck is giving even less fucks than usual.
The delivery is very important. You must always have a slight pause after the bakers and heavily emphasize the fuck.
Steve: Dude, this new vegan protein shake really hit the spot.
Zach: I don't give a bakers fuck about your vegan protein.
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