In the Prison

Four convicts were eating in the chow hall one day.

One says, "You guys mind if I fart?"

"No." "Pfffffffffffffff"

A second guy says, "You guys mind if I fart?"

"No." "Pffffffffffffff"

A third guy says, "You guys mind if I fart?"

"No." "Pffffffffffffff"

The fourth guy says, "You guys mind if I fart?"

"No." "BRRRRRAAAAAPPP!!

The other three guys look astonished. "Wow!! A virgin!!"