To "Rofl" someone's "Copter" is meant to be sexual, and can take on any sexual connotation. Therefore, to rofl a copter could imply oral, sex, hands, or even weird creepy stuff like whacking off to Hannah Montana.
by Creebie February 17, 2009
Get the Rofl my Coptermug. by 1337 m4st3r June 3, 2008
Get the rofl my coptermug.