A person who is "on the hook" will be overly infatuated with another person. The person who is the desired generally takes little notice (and often complete advantage) of the person who is on the hook.
Often times the person who is on the hook is a back-up.
Signs that you are on the hook:
1) giving foot rubs
2) making mixed tapes/cds/play lists
3) making chocolate cake
4) dropping everything at a moments notice to be with the other person.
Ted: "Lisa came over last night and I gave her a foot rub as we watched a move."
Marshall: "Are you guys dating now?"
Ted: "No, she is still with her boyfriend, she is just looking for the right time to break the news."
Marshall: "Dude, you are so on the hook."
to be responsible for something, owe money
When the Patriots did not cover the point spread in the Super Bowl, Dave was on the hook for $3000.
The state of a car/truck that is being towed due to breaking down.
"My uncle's Volvo is a piece of crap. I swear it spends more time on the hook than on the road."
term used to describe a situation or happening that is indeed uncool.
yea man i was gonna go to that bruce springstein concert but then i figured that shit would be on the hook.
The opposite of off the hook
, obviously, meaning: boring, stupid, not fun at all in the least bit.
Yo, that party was on the hook, I'm gonna skirch