Top definition
The act of defacating on the bathroom wall because you are to fat to sit all of the way on the toilet. Also could be caused by farting in the act of wipping.
The janitor had to get paid time and a half to clean up the yondura in the mens room. How did Johny get the poop under the toilet tank, he must have pulled a yondura.
by sharp floyd December 24, 2009
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