when you have an interest in a member of opposite sex and have been working on them for awhile meaning you have been hitting on them, talking/texting them.
John: Yo bro you got any coals in the fire?
Mike: Yea dude I'm definitely gonna hook up with Julie this weekend.
Mike: Yea dude I'm definitely gonna hook up with Julie this weekend.
by Mad Mace January 31, 2011