When a girl with huge boobs walks into a room. Like the guy from the Old Spice commercial, you just wanna climb up to the highest point of the room and jump down mimicking the motion used in the commercial. "Swan Dive!"
Girl walks into your workplace with huge boobs and wearing a low-cut shirt. As soon as she leaves, you look at your co-workers, hold your hands above your head in a swan-dive position and say "Swan Dive"!