Boner Swag is the act of having a long and obvious erection shooting right through your shorts and getting up in front of your class with your shoulders held high and great confidence as your thunder cock is poking out.
Wendy: Gee whiz, Carly! Look at Chad’s boner!
Carly: Wow that is so cute. Look how confident he looks.
Brock: Yeahhhh Chad! That’s some EPIC BONER SWAG!