pubic hair thats gotten out of control. typically thick enough to smuggle drugs over the border undetected
Last night Amanda was sitting on the picnic table w/ her legs open. her underfro was practically hanging out of her shorts !
by bobby spilner February 07, 2009
The naturally textured new growth near the scalp in women who have chemically relaxed hair, braids, or extensions. Usually only relevant for African-American women.
"Girl, I have got to go get a relaxer. It's been eight weeks and my underfro is out of control!"
by Tiffanye March 27, 2007