Lol, well pop might not be the best way of putting it. But if you get it down it's like leg drive in a push press. Try picturing your toes driving through the front of shoes if you're flat footed. But if you're butt is almost up in the air it won't have a big effect. If you feel stable with feet flat then stick with it and play around with different foot positions to see if you can get tighter.
With the squat, perhaps try to control the descent a little more instead of dive bombing, unless you prefer it that way??
