go potty

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From use of potty as a diminutive form of chamber pot.

go potty (third-person singular simple present goes potty, present participle going potty, simple past went potty, past participle gone potty)

1. (childish) To go and use the potty: to leave in order to urinate or defecate.

   I have to go potty!

   • 2000 October 4, Tom Armstrong, Marvin (comic):

     I simply came outside to go potty, and found myself abandoned, having to rely totally on my primal urges! ... Like the sudden urge to go potty again.

• See use the toilet, Thesaurus:defecate, and Thesaurus:urinate

From British use of potty as slang for insane, probably under influence from petty.

go potty (third-person singular simple present goes potty, present participle going potty, simple past went potty, past participle gone potty)

1. (UK) To go crazy: to become insane.

• See Thesaurus:go crazy