Either:
a) A deep knee bend exercise performed by
competitive
strength athletes.
b) A lift performed by
american high school football
team members and posted on Youtube involving combining
an ever
increasing amount of weight on the bar with an ever
decreasing range of motion.
whhhoooaa dude! here's me like burying 650 pounds.
I reckon I could walk into the NFL like
right now.
(cue a video of someone doing a 3 inch
deep squat with
spotters
holding both ends of the bar to help)