hot up

Verb

 * 1) To heat up:
 * 2)  To increase in temperature.
 * Wait for the water to hot up before adding the salt.
 * I hotted up my scones.
 * 1)  To become more heated.
 * The choice of a new leader hots up.
 * Bayern München hotted up the title race with a win.
 * 1)  To make or become more sexually appealing, enticing or exciting.