twist one’s cap back
v. phr.— «The last time i tried to eat a sandwich bigger than my head i woke up in a cold sweat chewing on my pillow. when you are lucid and you think you are up to the challenge, go to carnegie for their paean to meat. more stacked than anna nicole smith in her prime, any sandwich on the menu will twist your cap back.» —“Carnegie Delicatessen & Restaurant” by W.G. in San Diego, California Yelp Jan. 19, 2006. (source: Double-Tongued Dictionary)
Further reading
In 1968, students at Cheyenne High School in Cheyenne, Wyoming, compiled a collection of their own slang, including the word Clyde, used to refer to one’s head, as in Use your Clyde! This is part of a complete episode.
Related
We use the term Milky Way for that glowing arc across the sky. But how people picture it varies from culture to culture. In Sweden, that starry band goes by a name that means “Winter Street,” and in Hawaii, a term for the Milky Way...