Zesty can mean different things but it mainly means to look/act gay or it can mean and individual who looks good, feminine, handsome or light skinned.
1. Bros moving so "zesty"
2.You look so "zesty"
A man who behaves in a homosexual manner.
Stop trying to touch my wood, you're one zesty guy
Some sort of feeling fruity and affection towards other individuals.
Person 1: "Bro you wanna hop on the game or hop on this cookie cock"
Person 2: "Dude why are you always zesty when you wanna play the game"
Person 1: "I don't know"