BOFF

Etymology 1

Verb

boff (third-person singular simple present boffs, present participle boffing, simple past and past participle boffed)

(slang) to have sexual intercourse (with someone)

Synonyms

• See copulate or copulate with

Noun

boff (plural boffs)

(entertainment, slang) A big laugh.

(entertainment, slang) A line in a film etc that elicits such a laugh.

(entertainment, slang) A great success; a hit.

Synonyms: boffo, clicko

Etymology 2

Noun

boff (plural boffs)

(slang, derogatory) A pupil who works hard; a swot.

Etymology 3

Imitative.

Verb

boff (third-person singular simple present boffs, present participle boffing, simple past and past participle boffed)

(slang, transitive) To hit; to strike.

Noun

boff (plural boffs)

(slang) A hit or smack.

Source: Wiktionary

---