8
To mistakenly underestimate. Means that you misunderstood something so poorly that you completely underestimated it, realizing later that it was a dire, but likely preventable (had you fully understood the situation), mistake.
I misunderestimated my teacher's desire to fail me in math.
by jsday187 January 04, 2011
Mug icon

Golden Shower Plush

He's warmer than you think.

Buy the plush
9
A word made up by one of the biggest fucking idiots this world has ever seen.
G.W. Bush's wife misunderestimated the size of my load, and choked and died.
by j valentine August 24, 2007
Mug icon

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug
10
a word made up by jenna pisarev. or george bush. further inquiries will follow.
midterms are so expensive! i always misunderestimate.....
by your love. February 21, 2009
Mug icon

Dirty Sanchez Plush

It does not matter how you do it. It's a Fecal Mustache.

Buy the plush