present participle of have a normal one

(Internet slang, humorous, sarcastic) To have a public meltdown on the Internet.

Synonym of have a dog in the fight

(US) To be short of accusatory evidence against someone / To lack an advantage over someone, not be in a better position than someone

(transitive, idiomatic) Synonym of put one's heart in.

(UK, informal) To be hungover.

(idiomatic) To be deluded, to be mistaken; to need to rethink something one has determined; to need to reconsider one's plans or expectations.

(idiomatic, especially US) Alternative form of have another think coming

(idiomatic) To have become very frustrated or angry; to have reached the limit of one's patience or forbearance.

Alternative form of set one's heart on