in a heartbeat

Immediately, at once, right away, instantly. A very short time as denoted by the time it takes for the heart to beat. Similar phrase: in the blink of an eye.

Synonyms for in a heartbeat

On this page, you will find 30 slang terms related to in a heartbeat. Some of the top words include: minute, two shakes of a lambs tail, REM, alive, wit the quickness, and 25 more.