A girl who's a bro. Portmanteau of "bro" and "girl"
"Birl, you kicked ass on the court today."
"What it is, birl!?"
"Get outta there, birl"
Since we do not want to assume genders such as the words Boi or Gurl, we combined the two as to not assume...
"Welp I just dropped out of college after being robbed by my grandma..."
"Birl "
When a boy is no longer a boy, and now acts that of a girl.
Whew Chile, did you see all the birls at Crest Ridge, calling all them people’s out?