A 'Rod Hull' is the act of falling off something and usually dying in the process. The 'Full Rod Hull' is falling off your roof whilst fixing a television aerial.
by William Bixby August 14, 2007
Bobby: FUCK ME SIDEWAYS with a 10ft Barge Pole DAVE, you should of seen the lass last night. She was wetter than Rod Hull's Roof
by Greg_the_Smeg February 7, 2019