What does "hot up" mean?

To heat up:; To increase in temperature.

What is a synonym for "hot up"?

Common synonyms include: accelerate, agent provocateur, aggravate, amplify, annoy, augment.

verb, slang

verb, slang ·Moderate ·High school level

Verb

1
To heat up:; To increase in temperature. Ireland, UK
"Wait for the water to hot up before adding the salt."
2
make more powerful wordnet
3
To heat up:; To become more heated. Ireland, UK, informal
"The choice of a new leader hots up."
4
make more intense wordnet
5
To heat up:; To make or become more sexually appealing, enticing or exciting. Ireland, UK, informal
"We move to Twankey's launderette, where the Aladdin/Bathroomdoor romance hots up."

Show 1 more definition

"Wait for the water to hot up before adding the salt."