Light-a-fire-under Definition
verb
(idiomatic) To motivate or encourage (someone) to start sooner or move faster.
Let me see if I can light a fire under the waiter to get our order sooner.
Wiktionary
Origin of Light-a-fire-under
The origin of the phrase came from when chimney sweeps were scared to go up the chimneys, the fire would be lit under them in order to motivate them to climb to the top.
From Wiktionary
Find Similar Words
Find similar words to light-a-fire-under using the buttons below.