on+one's+head
111off the top of one's head — ► off the top of one s head without careful thought or investigation. Main Entry: ↑head …
112take into one's head — phrasal : to conceive as a sudden notion : be seized with an idea or form a sudden resolve took it into his head to open a small shop of his own * * * take into one s head To be seized with a notion • • • Main Entry: ↑take …
113get it into one's head — To conceive the (esp wrong or foolish) notion, to believe (with that) • • • Main Entry: ↑head …
114take it into one's head — 1. To conceive the (esp wrong or foolish) notion, believe (with that) 2. To conceive the (esp misguided) intention of (with to) • • • Main Entry: ↑head …
115get one's head around — (or round) [usu. with negative] informal understand or come to terms with something I just can t get my head around this idea …
116do one's head in Brit. — do one s head in Brit. informal make one extremely angry or agitated. → do …
117put one's head (or neck) on the block — informal put one s standing or reputation at risk by proceeding with an action. → block …
118put one's head in a noose — ► put one s head in a noose bring about one s own downfall. Main Entry: ↑noose …
119put one's head on the block — ► put one s head (or neck) on the block informal put one s standing or reputation at risk. Main Entry: ↑block …
120bang one's head against a brick wall — To waste one s time in unproductive effort • • • Main Entry: ↑bang …