To "brack attack" is a verb, it means to put ones hands down a girls pant and feel both of her ass cheeks in a cupping motion. This maneuver can be performed in a number of different situations. The prime situation in which you would use this is when you are hooking up with a girl.
guy 1: dude last night i was hooking up with this girl who had the nicest ass ever.
Sudden loss of focus; hearing; and concentration due to the insufferable wailing of the creature they call the Brack. Often accompanied by feelings of discomfort, sadness, and restlessness, the brackattack is one of the leading causes of unproductivity at work.
Pajama casual is a term used when working from home and preparing for a video conference. All business above the waist and your pajama pants down below.