Disqualify

[Britney]

To deprive of the qualities or properties necessary
for any purpose; to render unfit; to incapacitate; -- with for or from
before the purpose, state, or act.

[Zipporah Schumaker]

v. To soil ones underpants.
(to shit yer shortz)
past tense: disqualified
the act of disqualifying: disqualification

[Kit]

to stop someone from being in a competition or doing something because they are unsuitable or they have done something wrong:

[Becky]

Pronounce (someone) ineligible for an office, activity, or competition because of an offense or infringement.