French for "let's go." More formal than "on y va" (literally "one goes there") which means the same thing.
Well-known from the phrase "Allons-y, Alonso" (Alonso is a name). Made famous in English by the tenth doctor on Doctor Who though he was actually quoting the character Ferdinand in the '60s French film Pierrot le fou, where the subtitles translate it as "let's go, daddy-o."
What the 10th Doctor (the 10th incanation of The Doctor, a character from the hit BBC sci-fi TV series "Doctor Who) yells when he get's excited.
French for "Let's go"