Pants that are worn by a lady when watching a particularly masculine event, that are condusive to some discreet pleasuring in the crotch region. Aka a little finger tap dancing
While watching her boyfriend's dad mow the lawn, she was glad she was wearing her finger friendly pants
When the massage table is a dude and the other dude lays on top of the dude and starts getting a massage and they're both erect they wack wangs.