pickoff one's head . off one's head {adj. phr.} Crazy; mad. We had no doubt that the old man was off his head when we saw him jumping into the lake with his winter coat on. Categories: add yours adjective crazy doubt Source: A Dictionary of American Idioms 'off one's head' on video Off one's head - TOMRAN 277funny video Japanese giant touching and funny advertisement! Laugh off one's head be off one's head Idiom and Phrases | Off one’s head | Pandora’s box | This and That | Turn over a new leaf |tall talk sort: relevance, mode: exact match, q: "off one's head", maxResults: 4, videoEmbeddable: true, videoSyndicated: true, safeSearch: strict, type: video Subscribe to: American IdiomsEnglish Slang Discuss