BENEFIT: Breakiosaurus, a funky Outside Lands after-party and fundraiser for Elephant Bird Camp, challenges you to adorn yourself with your best breakin'/dinosaur costume ever. The event features live performances by i can dress myself, Sex Pixels, Starbeast II, Kraft Funk, and Breakin from Acrosports All City Bboys. (9 p.m. to 2 a.m., The Blue Macaw, 2565 Mission Street)

COMEDY: The hilarious insomniac and "comic's comic", Dave Attell, is at Cobb's tonight and tomorrow night, presented by local broadcasting fave, KOFY. (8 and 10:15 p.m., Cobb’s Comedy Club, 915 Columbus Avenue)

PING PONG: Did you check out the fabulous-sounding American Tripps Ping-Pong Party last week? If not, here's another chance. Hopefully this will become a regular thing. San Francisco certainly needs more ping-pong. (7 to 11 p.m., The Secret Alley, 180 Capp)