(anatomy) The head of an origin that is diagonally situated.

simple past tense and past participle of knock on the head

present participle of knock on the head

Third-person singular simple present indicative form of knock on the head

present participle of have a head for

Alternative form of breadhead

Hopelessly smitten, madly in love.

Tumbling upside down; somersaulting. / At top speed; frantically. / (usually with in love) Hopelessly, madly, to distraction, deeply, utterly.

(idiomatic) More complex or confusing than one can understand; beyond one’s comprehension. / (idiomatic) More than one can handle; too much (especially in over one's head).

(idiomatic) To identify something exactly; to arrive at exactly the right answer.