Fire up and Heated up

Fire up verb - To rouse to strong feeling or action.

Heated up and fire up are semantically related In some cases you can replace phrase "Heated up" with "Fire up", this terms are similar.

Heated up adjective - Made warm or hot (`het' is a dialectal variant of `heated').

Fire up and heated up are semantically related in anger topic. Sometimes you can use "Fire up" instead a verb phrase "Heated up", if it concerns topics such as irritate, excite.