When you buy trees from someone and they throw in a little extra. Usually applies to weed but you can say it for anything.
Lindsay: Did you get a eighth from him?

Renee: Yupp, and he hooked it up phat!

Lindsay: Let me get some free food from ur job today!
Renee: Yeah come thru, I'll hook it up phat!
by monike16 October 27, 2010
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When, in a business transaction, someone hooks you up fat, they give you more than you expect.
Every time I go to McDonalds, they hook me up fat with a free soda.
by MrNimon July 25, 2011
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a command to be provided with more of something
"Yo Killa D, hook me up fat with some of that sweet potato pie!"

or

-"Would you like to try some of the pea soup that I prepared?"
-"Yeah, hook me up fat."
by E Lo 11 March 21, 2008
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I am going to have to move my computer desk across the room, because there is not a hook em up on this wall.
by VaRaine May 14, 2010
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Based on the age range and context this term is put in, it can mean a number of different things

1) Middle school age- kissing or making out at most (unless for those few mature sluts who make make it farther)

2) High School- Generally having sex. For most freshman and some sophomores, this means kissing or making out, unless they make it farther which can be common

3) Young adults- sex.

4) Older adults, like parents- Being really nicely helped out
1)John and Lilly are hooking up at the school dance tonight!
2) I hooked up with the quarterback, his d is tiny
3) I think I might've hooked up with Jerry when I was drunk.....
4) Wow!! Bobby really is hooking me up with those concert tickets!
by thottyhoe March 13, 2015
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An incredibly ambiguous phrase that drives me absolutely insane when people use it.
John hooked up with Mary. (so what did they actually do? Did they meet at the park? Did they talk? or did they duke like viagra-injected rabbits? who knows...)
by thedon November 17, 2004
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When 2 people kiss and/or fuck.
I agree, it depends on your region.
'I hooked up with your sister'
by Diego November 13, 2003
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