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 February 20, 2011
An imperative sentence demanding that the reciever "gets some" of whatever it may that you think is fun such as getting drunk or hooking up with a female.
by Mad Mace October 13, 2009