Channing Tatum and Jonah Hill Warn of Dangers of Finger-Blasting Another Man’s Mouth: VIDEO

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A new 'PSA' from 21 Jump Street stars Jonah Hill and Channing Tatum warns of "attempting to hand-jack a friend or colleague's oral cavity without washing your hands," which is apparently a thing in the movie. Incidentally, that number they offer at the end goes to a heterosexual phone line.

Watch, AFTER THE JUMP...