frat
/frat
/noun [usually as modifier] North American informal
A college fraternity: a frat party...
- They had met at some frat party in college and they were both drunk.
- Whatever, but we better not go to some party at some college frat house.
- Researchers found that the image of a typical college student as a drunken frat boy is largely a myth.
Origin
Late 19th century: abbreviation.