What do horror movies and dessert have in common? We don't know either, but it's a theme for one of your choices in tonight's Valleywag Calendar.

• Widget platform Clearspring is holding a get-together at Sugar Cafe in the Tendernob — that's the sketchy part of Nob Hill, near the Tenderloin — to celebrate the release of Launchpad, their distribution channel. [Evite]
• The anonyblogger behind snarky VC-rating site TheFunded.com promises to reveal himself at some "Inside TheFunded" event in Palo Alto which he's charging an ungodly $500 to attend. Business model! [TheFunded].
• Music startup Songbird and Satisfaction, a startup founded by a bunch of Adaptive Path-connected people, are combining to throw a kickass Stanley Kubrick- and cupcake-themed party at Terra on Harrison Street. Bring your bowler hat. [Facebook]
• Feel like just drinking it all away? Spontaneous Drinking Night in San Francisco goes into Overtime ... Overtime Sports Bar on 7th St, that is. Password "Mango" for drink specials. [Facebook]