shartproof 

an adjective to describe something that is resistant to poop or diarrhea

wow! his shirt is shartproof!

shartproof by aufjfnenkakskcnc June 13, 2022

shitproof 

1. Utterly unaffected by shit.

2. Immunity to all unpleasant events or conditions, usually due to one or several instances of terrific success or inheritance.

His girlfriend is like, a perfect 10. He's shitproof, dude.

Hugh Hefner, Jay-Z, David Beckham, George Clooney, Brad Pitt, Sting, and Mr. Rogers are all shitproof.

shitproof by Chad Brad July 22, 2008

Shakeproof Washer 

Arsehole. If you're not familiar with shakeproof washers, take a look at the tow ball on your car where it attaches to the towing bracket. You will see two large bolts fitted with what looks suspiciously like a human sphyncter.

Nigel, I think a trip to casualty may be in order as my shakeproof washer seems to have an inhuman grip on your spam javelin.

Shakeproof Washer by balconybelly November 11, 2011