A term used for martial artists where a heel like growth of skin takes form on the bottom side of the hand from breaking bricks and generally hitting way to much shit to often.
Carl: that dude just fricking broke 8 patio bricks to win the tournament.
Lenny: Yeah... thats amazing! He must have some mad foothand going on.
The ability girls and women have developed to hold several items at once in one hand. The skill has been developed due to the lack of pockets in women's clothing.
I thought she'd need multiple trips to carry her phone, keys, wallet, and Starbucks to her car since she needed the other hand to open the door, but she used her impressive girl grip to carry everything in one hand.