Red1920's definitions
A girl or boy who was very unattractive in high school and has otherwise become unbelievably hot in college or beyond.
Oh my gosh Josh is such a sleeper cell! He was never even remotely cute in high school.. Now look at that!
by Red1920 July 24, 2014
Get the Sleeper cellmug. by Red1920 July 24, 2014
Get the Qualibombmug.