Young collegefemale, often times a member of a sorority, who spends an excessive amount of time having sex with brothers of a fraternity.
the term derives from fraternity + mattress, because the slut spends so much time under brothers that she might as well be their bed.
"Bro, you see that frattress over there? Yeah, the one on top of the table. I'm gonna do work and put her to use tonight."
"So, I was banging this frattress the other night, and after we got done she told me not to tell any of my brothers. You know she's just gonna tell those other sorostitutes how awful of a guy I am."
A definition of a female who exhibits gay tendencies. One who choose not to do things for any reason. Doesn't pick up your phone calls. Drinks out of a straw puckering her lips.
A sunburn or suntan focused on the left arm. It is caused by the left side of the body being the only half that gets exposed to sunlight while driving. Presumably, it would be located on the right side of the body in countries where they drive on the left side of the road.