The crumb-like byproduct of (typically anal) intercourse.
Bruce and I vigorously took turns on each other last night and the next morning we found the sheets full of frax.
by fiveohniner February 26, 2014
2 more definitions
One who takes a free-ride on others' hard work.
A man is an absolute frax if he never does any work in a team, yet wants to get the credit for that.
by Raj December 19, 2003