(slang) obsession with a particular person who is idealized as the only right one to date or to marry, often without any actual relationship developments.

plural of ones' complement

That keeps promises and tells the truth.

(idiomatic) extremely desperately

(slang, intransitive) To break wind.

Alternative form of with one voice

(of vocalizing) In unison, together / (idiomatic, by extension, of expressing opinions by members of a group) In a mutually agreeing or like-minded manner; concordantly, unanimously.

(idiomatic, of two or more people) Having the same viewpoint, opinion, or attitude; in agreement.

(idiomatic) In one's opinion, from one's point of view.

(Ulster) An unpredictable person.