Top Definition
1. To eat large quantities of food, usually dessert, in one sitting.

2. To binge eat.
"Always Gamma up at the buffet, you must get your money's worth."

"I had to cut weight for wrestling, but now that the season is over, it's time to Gamma up."
by TexasKnight1987 September 04, 2011

Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from daily@urbandictionary.com. We'll never spam you.

×