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

Third-person singular simple present indicative form of keep a cool head

simple past tense and past participle of keep a cool head

present participle of keep a cool head

Third-person singular simple present indicative form of put heads together

present participle of put heads together

(humorous) Drawing attention to a person's rudeness in not removing their hat.

Alternative form of head to toe

(intransitive) To understand someone's thoughts or feelings. / (intransitive) To have a negative impact on someone's confidence or performance.

(dated) Bizarre ideas.