(idiomatic) The most valuable or important thing or person among others of its kind.

(transitive, idiomatic) To be emotionally invested in (something); to do (something) wholeheartedly.

(idiomatic, chiefly in the negative) Someone is emotionally invested in (something); someone does (something) wholeheartedly.

(slang) Synonym of pain in the ass.

(euphemistic) Synonym of pain in the ass.

present participle of have an in

simple past tense and past participle of have an in

Third-person singular simple present indicative form of have an in

Synonym of betweentimes

simple past tense of can't carry a tune in a bucket