locker room talk
Crude, vulgar, or bawdy talk, often involving boasts about one's sexual conquests. I'm no prude by any means, but I hate the locker room talk my boyfriend partakes in when his buddies are around.
locker-room talk
Especially crude, vulgar, or bawdy humor or chatter. I'm no prude by any means, but I hate the locker-room talk my boyfriend partakes in when his buddies are around.