1) Professor Pippy Pee-Pee Poopypants' new last name.

2) Diapers for dogs and cats.

3) Whoever just wet themselves.
"Oh no. Not again!"

~What you say when:
a) You see Tippy Tinkletrousers
b) Your dog misses the bush
c) You become a Tinkletrousers
by namenotrequired December 6, 2009
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an affectionate term used towards someone that pees themself on a regular basis.
"Hey, Tinkletrousers. i heard you wet yourself today. thats hot"
by blondiegirl November 20, 2009
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a 2012 American children's novel and the ninth book in the Captain Underpants series by Dav Pilkey
Captain Underpants and the Terrifying Re-Turn of Tippy Tinkletrousers is the best.
by SPrice1980 May 7, 2023
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