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3.
A muddy, boggy section of track or trail. Not of a watery consistency, but of a porridge or custard like consistency.
(While hiking or bush-walking)

"Ted, look out for that dumpus, I just put my foot right in it."
by karter16 January 14, 2012
 
1.
(1) One who is incredibly stupid or did something retarded. Combination of the words 'dumb' and 'pussy' or possibly a shortened 'dumbass'.
(2) Word coined by Strong Bad on Homestar Runner, used to make fun of Strong Sad.
(1) "Jim, stop being a dumpus and hand me that screwdriver!"
(2) "No misspellings + good idea + made fun of dumpus=SOLID!"
by KaiserMonkey August 17, 2003
 
2.
Strong Sad's other name, given to him by Strong Bad.
by The Great X-wing Ace March 28, 2003
 
4.
kinda slow witted and all that stuff, often called josh, has 2 long sideburns that stand erect when aroused.
yo! did you see that dumpus?
by Ass Whomper September 08, 2004
 
5.
to love somebody!
I love you dumpus
by rogerthat December 08, 2003