L7

It never occurred to me to look up the history of some of the bands whose songs we used to play so often on Rockband and Rockband 2.  But today I was listening to The Current and they played Pretend We're Dead by L7. So I looked up the band on Wikipedia, and was treated to these amusing anecdotes in the controversy section:

During their performance at the 1992 Reading Festival, the band experienced "technical difficulties with their audio equipment" and were forced to stall their set. Quickly, the rowdy crowd grew restless and began throwing mud onto the stage. In protest, lead vocalist Donita Sparks removed her tampon on-stage and threw it into the crowd yelling "Eat my used tampon, fuckers!". Sparks has remained unapologetic about the incident. This has been referred to as one of the "most unsanitary pieces of rock memorabilia in history". 

In 1992, Sparks again created quite a stir[citation needed] in Britain when she dropped her pants on live television, appearing nude from the waist down, during an L7 performance on the UK variety program The Word. 

In 1999, the band raffled a one-night stand with drummer Dee Plakas at a London gig.

Update: even better, you can enjoy a bit of it live on YouTube!