1 definition by NOTaBIRF
A word that was invented to replace the new meaning of the word "gay" (stupid, dumb, etc. NOT HOMOSEXUAL).
Example 1:Sheesh, that teacher can be such a birf.
Example 2: A: sometimes you can be so gay
B: Don't you mean birf?
Example 2: A: sometimes you can be so gay
B: Don't you mean birf?
by NOTaBIRF May 10, 2009