Soggy Seconds
Literal: Having sex with woman who has just done the same already (most likely in an orgy situation)
Figurative: Having sex with a friend's ex-girlfriend too soon after they've broken up.
Figurative: Having sex with a friend's ex-girlfriend too soon after they've broken up.
Dude! How could you fuck Rosie? Frank only broke up with her last week. Talk about soggy seconds!