A turd that attaches itself to the inside of the toilet,so that post-flush there are still significant smudges on the porcelain
by MikeLeppo January 27, 2018
 Get the Grumbymug.
Get the Grumbymug. by LimeLightGTX August 9, 2015
 Get the Grumbymug.
Get the Grumbymug. An utter idiot or buffoon; a Grumbis will win in any competition for the lowest IQ, and it will misplace your food items if gone unsupervised.
by stickybuttcheeksXD June 4, 2019
 Get the Grumbismug.
Get the Grumbismug. After Big Bob ate all you could eat tacos at the local bar, his stomach began to gurgle and decided he'd better take a Big Grumby
by Cramerica Industries January 5, 2007
 Get the Big Grumbymug.
Get the Big Grumbymug. by Cramerica Industries January 5, 2007
 Get the big grumbymug.
Get the big grumbymug. Jonas Grumby The "Skipper" from Gilligan's Island. Few people know what the Skippers name was. Played by Alan Hale, Jr. from 1964 to 1967 one of the "seven stranded castaways" from the ill-fated S.S. Minnow
stranded on an uncharted island on the Pacific following a storm.
stranded on an uncharted island on the Pacific following a storm.
Gilligan: "Skipper"
Skipper: "Yea little buddy"
Gilligan: "The radio said Jonas Grumby sank the Minnow, that's you"
Skipper: "Yes I know thats me Jonas Grumby, The "Skipper".
Skipper: "Yea little buddy"
Gilligan: "The radio said Jonas Grumby sank the Minnow, that's you"
Skipper: "Yes I know thats me Jonas Grumby, The "Skipper".
by Farsidefan February 14, 2009
 Get the Jonas Grumby, The "Skipper"mug.
Get the Jonas Grumby, The "Skipper"mug. 