LET'S TALK ABOUT IT: WHAT AGE DO YOU STOP TURNING UP

URBAN DICTIONARY Turn Up  Verb: 1) Getting loose, being wild and potentially engaging in sexual activity with members of the opposite gender (or the same gender if thats what you're in to)  2) Acting crazy due to consumption of large amounts of alcohol, marijuana, molly or other drugs  It can be used as a noun where it is spelled "turnt up" instead of "turned up" as grammatical conventions would suggest. Turnt up is used to described the state of being wild and crazy like someone would be at a party.