for middle school: making out.
for high school and beyond: any type of sexual activities usually refering to sex.
middle: dude me and sharon were hooking up at the movies last night.
high school: oh man at that party me and alexa were hooking up in the bathroom.
by elyssajordan May 12, 2007
Get the hooking up mug.
v. To provide or return.
"Hook me up with some greens"
by zx August 15, 2002
Get the hook up mug.
Depends where you are from, its different for different states, even different cities. In Vermont it means having sex, in Mass. it means anything but sex and in Maine it either means hanging out or a one night stand deal depending on what area your from.
by ellenaf April 3, 2007
Get the Hooking up mug.
To be given somthing for free or at a discount usuly by a Homie.

Background from , hook me up to the obvious been hooked-up
Ive been hooked-up like a tow truck
by my buddy @ Budwiser.
by Heavy M January 27, 2005
Get the hooked-up mug.
(verb)The act of making out or other sexual activity while not in the presence of others. The persons "hooking up" had to go somewhere else.
(1) I hooked up with this hottie after the club.
(2) Kissing someone at a bar is a bar smooch or making out, but taking them home or around the corner is hooking up.
by Auggie August 4, 2004
Get the hooking up mug.
When two people sit in the same car seat. Seat warmers may or may not be involved.
Did you and him hook up last night?

Yup.
by palmarryme November 22, 2011
Get the hook up mug.
something thats fun, but can lead to misunderstanding and broken hearts.
I hooked up with him a few times but apparently we aren't gonna go out.
by beenusedafewtimes March 10, 2005
Get the hook up mug.