tough as balls

related to the expression tough as nails, tough as balls means the exact opposite, as in not tough at all because balls are tender.

a: i look tough as nails with this guy-liner on!
b: more like tough as balls, you socialist puppy raper

by TheFunInFuneral September 16, 2009

tough balls

A word for a tough guy. Someone who is a tough balls works out all the time and has huge pecs.

Who's this tough balls over here squatting 6,000 pounds