From "Whose Line is it Anyway" (Scenes From a Hat) 'Adults still experiencing the Terrible Two's'. : "Jim, I've made a decisionabout that promoti-- *GASP* Ooo!... *hobbles towards restroom*" (struck by the Terrible Two's mid-sentence).
The terrible two’s definitionshould be changed from being “the age of two” to being the age starting from a year and a half to the age of three” because the terrible two’s always last for two complete years not just one complete year.
Those two who are the coolest at school. The two girls who everyone else wants to be. They have their own symbol and "own" people. Also known as BL squared.