Murphy's Lingerie
When you wear a sexy thong/lacy bra/smart pair of boxers through the week in the hope of some action, but the day you finally give up on any semblance of a sex life and wear sensible underwear, some really hot dude/chick shows up at your place.
X: So, How was last night with that hot stranger?
Y: Rough start. I was wearing granny pannies.
X: Ouch. you got Murphy's Lingeried.
Y: Rough start. I was wearing granny pannies.
X: Ouch. you got Murphy's Lingeried.