Chuck Liddell -- The Iceman Drinketh!

Remember when Chuck Liddell said he wasn't going to booze while training for "DWTS?" Well, it looks like training is definitely over.

Chuck Liddell: Click to watch
The UFC fighter hit up the Key Club after his "Dancing" debut last night -- where he was caught knocking back a few drinks inside and macking on a busty blond, who he later left with.

Maybe she was helping him with his horizontal mambo.