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1.
Pants full of shit;

To fill one's pants with shit;

To think you are having a heart attack but instead you shit yourself;

To imagine you are on a toilet taking a massive dump only to find out you are really at a company party and shitting your pants;

To stew in ones own shitty britches.
We were at a company party and a co-workers wife asked if she could have a roll of paper towels...turns out her husband had "philled britches".

If I don't get to a toilet soon I just might "Phil Britches".
by signsareeverything July 28, 2009