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3.
The act of a Shellder latching on to one's backside
Shellder: SHHHHHHHEEEEEEEEEEEEEEEEEELLLLLLLLLLLDDDDDDDDERRRRRRRRRRRRRR!!!!!
*bite*
Dude: No I just got cattywumpused! And I have to take Cindy to the titty twister.....NNNNNNNNOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOO!
by Evil Tim August 01, 2003
 
1.
Skewed or sideways to, out of alignment.
Bubba, you got that manifold gasket in there all cattywumpus.
by harry flashman July 04, 2003
 
2.
A falsehood purported by one assuming an authority upon a subject. Comes from a short anecdote.
Teacher: And of course the first world war was the obvious result of left wing conspiracy...

Student: ...Cattywumpus...
by jubeanation April 12, 2008
 
4.
to grab another's head and brain suck
He yelled "Cattywumpus" and I crushed his skull with my palm
by Shawn March 13, 2003