Someone's running out of patience. When a situation is even too much stressful.
Too many streaming children here. I'm losing it.
by Giuzi March 22, 2022
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Being in the the state of confusion and absolutely going bonkers. The person who says this phrase usually states it in a tone where they are rather stern and will get ready to square up on the spot (known from experience).
Shannon- Sweetie, are you alright? You're strangling the dog again!

Bertha- I'm about to lose my marbles!
by Anti-Vaxx Parent May 11, 2019
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