Charlie Sheen on on Jimmy Kimmel Live Charlie Sheen on on Jimmy Kimmel Live

As Jimmy Kimmel talked to Mark Cuban about going into business with Charlie Sheen, all of a sudden — there he was! Sheen ran on stage, getting raucous cheers and laying a big kiss on Kimmel.

Sheen pulled out T-shirts, some that said "Winning" and others with a cat stating, "I have tiger's blood."

Charlie Sheen and billionaire Mark Cuban in talks to produce show

His cameo was brief Monday night, though. "I have a show to write," he said, apparently referring to his tour. Before leaving, Sheen handed Kimmel a coffee mug with a fox on it and said, "I'll let you figure it out, my man."

Watch the clip: