The feeling or act of being sick from too much drinking. A way to describe when you feel sick and need to throw up or describing the actual act of blowing chunks.
Dam I feel zest from last nights party.
Everyone ended up sick last night, total ZEST FEST.
Did you hear about Denise? She drank 3 fourties and zested all over my floor!
Dam Im f***ed up I think im gonna zest.