Third-person singular simple present indicative form of get on like a house on fire

(simile, colloquial, idiomatic) Without immediate or lasting effects.

(idiomatic) To adapt to something naturally and effortlessly.

(simile) Very easy to achieve.

(simile, Australia, colloquial, informal) To leave in haste.

(simile) Quickly but futilely, away from a failing project.

(transitive, simile) To be intimately knowledgeable about something.

(simile) Be very noticeably different, especially in a negative way; to be particularly obtrusive, conspicuous, blatant, or prominent; to attract undue attention or notice.

(simile, colloquial, chiefly US) Jumpy, nervous.

(simile, colloquial, derogatory) Showering someone with romantic or sexual attentions.