SBS

When its a hot day, and your ballsack gets sticky and starts sticking to your thighs

Juan: It sure is hot today, Ive got some major SBS
Orion: SBS?
Juan: Sack be stickin

DBF

When your running with loose underwear and your dick is flopping around

Orion: Man im not excited for the mile today, ganna have some major DBF
Juan: What is DBF
Orion: Dick be floppin