look up any word, like half chub:
 
1.
when all you think about is one person, and you can't stop thinking about them....!
I am soooo hung up on him... SOMEONE HELP ME!
by LALA March 22, 2003
 
2.
stuck on someone.
I'm really hung up on Alexa -- man, she's got it going on -- bling bling!
by cooper November 20, 2002
 
3.
stereotyped, repetitive and seemingly purposeless movements. compulsive fascination with and performance of repetitive, mechanical tasks, such as assembling and disassembling, collecting, or sorting household objects. This behavior may appear similar to the symptoms of OCD. Common in chronic amphetamine users. Similar to tweaking.
Im so hung-up bro, i been up for three days but i cleaned the house, re-organized my dvd collection and shared my entire life story with a friend. That was only the first day..
by Brentipoo March 09, 2009
 
4.
A song by Madonna

"Hung Up" is a song by Madonna.
by SakuraSaku September 27, 2006
 
5.
stereotyped, repetitive and seemingly purposeless movements. compulsive fascination with and performance of repetitive, mechanical tasks, such as assembling and disassembling, collecting, or sorting household objects. This behavior may appear similar to the symptoms of OCD. Common in chronic amphetamine users. Similar to tweaking.
Im so hung up bro, i been up for three days but i cleaned the house, re-organized my dvd collection and shared my entire life story with a friend. That was only the first day..
by Brentipoo March 10, 2009
 
6.
the event in which you're neither hanging out nor hooking up, but something in between
girl 1: "So, did you just hang out or did you end up hooking up with that cute guy at the party last night?"

girl 2: "Oh, I don't know, we just kinda hung up."
by Mallieboo July 31, 2011
 
7.
When appendage being inserted into partners body swells to the point of being irremovable.
"I didn't wear my watch! We're just hung up!"
by pro-nun-see-A-shun March 18, 2003