When you sit reverse or backwards on the toilet and take a dump, or masturbate.
Dude, how did you leave skidmarks on that part of the toilet, were you sitting frontside?
I was definitely frontsiding that shit!
I frontsided the shit out of my neighbors toilet!
The Urban Dictionary Mug
One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.
Buy the mug