off the chain 太好玩了
(1) (Adj.) a great deal of fun
(2) (Adj.) very attractive
(1) Wow Mike this party has punch 宾治酒 and cake and everything! It's really OFF THE CHAIN!
(2) That girl has a nice rack 双乳. She is OFF THE CHAIN.

off the chain
wild raucous 喧嚣的 or out of control. Originated from the onset 开始 of a dogfight when the dogs are let "off the chain" and the event begins.
That shit last night over at Jamal's house was off the chain money!

dogfight
A aerial conflict where 2 to a unlimited amount of fighter planes are involved, the goal is to destroy the other fighter planes, usually to clear a way for bombers.