def:the first heavy daze of the day achieved through drub/alcohol substance. to level up is to achieve a higher level of consciousness. in reference to hit points. the term is often followed by a sound effect of video gaming nature.
My date with ____ went extremely well last night. The alcohol must have given be a bonus to charisma, because we headed back to her place and I totally levelled up.
"Sure Toad, how many lives are you offering?"