A sudden, extremely urgent need to defecate.
From "Whose Line is it Anyway" (Scenes From a Hat) 'Adults still experiencing the Terrible Two's'. : "Jim, I've made a decision about that promoti-- *GASP* Ooo!... *hobbles towards restroom*" (struck by the Terrible Two's mid-sentence).
από Nico0885 23 Μάιος 2012