03/22/2011 at 11:00 AM EDT
charged the Jimmy Kimmel Live
stage Monday night and planted a smooch on the "moist lips" of the surprised late night host.
The audience greeted Sheen
with thunderous applause as he barreled in, and he rewarded their enthusiasm with high-fives, autographs and, later, novelty T-shirts sporting some of his most famous quips
Sheen, 45, also showed guest Mark Cuban – with whom he's considering going into business – some serious affection, giving the billionaire a bear hug.
But amid the applause, Sheen got down to business. "Silence," he commanded the audience, "I have a show to write," referring to his upcoming Charlie Sheen LIVE: My Violent Torpedo of Truth concert tour
And, just like that, the actor was gone.