![Jimmy and Zac Efron face off in a twist on the card game War, where the loser of each hand faces wet consequences on The Tonight Show Starring Jimmy Fallon on May 18, 2016.](https://api.time.com/wp-content/uploads/2016/05/zac-efron-water-war.png?w=2400&quality=85)
By Tara John
On Wednesday, Zac Efron and Jimmy Fallon donned wigs— similar to the crimped hairstyle Efron touted in eighth grade— and engaged in the card game war.
But, there was a twist to this card game— cups of water were added to the mix. Not only can the winner throw water at his opponent, but whoever got through the five cups first got to use a water-gun.
“This seems so disrespectful,” says Neighbors 2: Sorority Rising actor Efron, seconds before throwing a glass of water in Fallon’s face. a
Watch the full clip above
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