raving fanny
The state of female genitalia after an all night RAVE: vulva sweaty, knickers need to be chiselled off and there is drum and bass echoing out of the 25K sound system in your gash...
Fucking hell! The sound system in Narnia was banging tonight - I have a terrible case of raving fanny but it was totally worth it. I'm going to need to chisel my knickers off when I get home!