BLOW UP HAUNTED MANSION
Arise, ye amped-up ghosts of electro bangers, throw on your uber-stylish dancing togs, and make the scene, as the raucous Blow Up crew conjures its annual Halloween bash. Plus: full blown costume contest. Sexytime, sexytime. Sat/30, 9 p.m.–3 a.m., $10–$20. Kelly's Mission Rock, 917 Terry Francois Blvd., SF.www.blowupsf.com
Um, how could we argue with a "20,000 Homos Under the Sea" theme (insert seamen crack here). Bathhouse disco captain DJ Bus Station John joins forces with queer punk Hey Sailor crew to swab your alternaqueer poop deck. Sat/30, 10 p.m., $5 in costume, $7 without. Das boo! Club 93, 93 Ninth, SF.
Local dance-rock fixture Jaswho? celebrates the release of his electrofied new album Nudroid Musik by performing live at this hair-raising affair, with backup from DJs Paul Hemming, Brian Salazar, and many more as Temple becomes a haunted graveyard. Sat/30, 10 p.m., $30. Temple, 540 Howard, SF.www.templesf.com
LESBO BLOODBATH IV
Sapphic spooks and gore-geous lesboos haunt the girlicious Lexington Club, with rockin' DJs Jenna Riot and LA's Miss Pop. Killin 'em Kelsey hosts the costume contest for amazing prizes, and I'm totally going as Vagina Den-Tatas, grrrl. Sat/30, 9 p.m., free. Lexington Club, 3161 19th St., SF.www.lexingtonclub.com
TABOO HALLOWEEN EXTRAVAGANZA
Soulful house godfather David Harness wowed the pants off 'em at the Fag Fridays reunion a couple weeks ago, follow him deeper at this installment of his lovely mixed Taboo monthly. Now with more spooky! Sat/30, 9 p.m., $10. Eve Lounge, 575 Howard, SF. www.eveloungesf.com