When multiple men gather to have anal sex with one another, forming an almost human-centipede ring of dicks in ass. The resulting coordinated thrusting causes the hoop to "hula."
hula hoop a verb. to move or sway your hips in a fashion as if you were using a hula hoop, used duirng sex with women that are loose, so as to get somekind of sentation.
That whore I picked up at the club, during last call, was so loose I had to hula hoop her for an hour just to get off.
(V)To break a tackle in american football, in which the ballcarrier puts his shoulder into the tackling defender, causing the defender to roll around the ballcarrier's back, much like the motion of a hula hoop.