twist (someone’s) cap v. phr. 1. to amaze, astonish, or enlighten. 2. (in hip-hop) to kill someone; to beat, outwit, or get the better of someone. Also twist (someone’s) cap back. (source: Double-Tongued Dictionary)
Further reading
Janine in Murray, Kentucky, shares some favorite tongue twisters. There’s the one that helps you remember the four cardinal directions: Never Eat Sour Wheat. Her dad was fond of saying The stump thunk the skunk stunk and the skunk thunk the...
Michael from Sherman Oaks, California, says that as a teacher in New Jersey in the 1980s, he heard students saying My word is born, meaning “You better believe me,” and later shortened to simply word. The research of linguist Geneva...