(simile, colloquial) Very happy (sometimes with the extra connotations of being carefree or unaware of grimmer realities).

Alternative spelling of trigger-happy

(Britain) A children's card game played with a pack of 44 picture cards that depict a father, mother son and daughter of 11 families mostly having occupational surnames (e.g. Mr Bun the Baker); players have to collect entire families

(literature) A clichéd conclusion in which all loose ends are tied up and all main characters are content.

(simile) Extremely happy and carefree

(simile) Very happy and carefree.

Alternative form of slaphappy

Said or written to a person who is celebrating his or her birthday in order to convey the good wishes of the speaker or writer (literally, "may you have a happy birthday")

(colloquial, transitive) To wish (someone) a happy birthday.

plural of happy hour