an inmate who shoots his/her mouth off - talks tough while locked in the cell, but is calm and meek outside in the dayroom - (conveniently forgets about what he said he was gonna do to you)
"wait'll we come out, i got somethin for your ass"
"don't worry bout him, just another cell gangster"
"don't worry bout him, just another cell gangster"
by john graef July 1, 2003
Get the cell gangstermug.