What is Bmxing?
1.
When a woman, on her knees, jerks off two guys that are facing each other at the same time, one with each hand. The two guys are standing, facing towards each other, with her kneeling between them. The woman jerks off both guys simultaneously by moving both of her hands left, and then right, in unison. She continues this motion in rapid succession until taking a double shot of
Bob: Hey, don't you know that chick?
Tom: Yeah, she was BMXing me and my roommate the other night. Nice girl.
See