shagg and brag 

to have sex (shagg) and let others know what you have accomplished (brag)

bob tells his friend joe about a one night stand and is interupted but when joe says, "hey bro, don't shagg and brag".

shagg and brag by Swoll June 8, 2009

Shag and Brag 

To have sex and bring it up constantly

Yo, so this girl was suckin my le- Dude shut the fuck and don't shag and brag

Shag and Brag by vdbdtgbhrt June 23, 2016