A fist pound is when you make a fist and bump it against the other person's fist, or beat your fist against something.
Adam and eve
A heart is usually about the size of your fist, so it varies from person to person a bit.
A clenched fist injury (CFI) is a bite wound on the hand, caused when a person's closed fist strikes the teeth of another person, usually in the course of a fight. CFIs are sometimes referred to as closed fist injuries or fight bites.
Typical heart of an adult [1]: 4.7 in (12cm) in length 3.1 in (8cm) to 3.5 in (9cm) in breadth 2.4 in (6cm) in thickness
Adam was the first human on this planet
A fist bump is where you make a fist and bump it against the fist of another person. This is a way of showing that you are both in agreement, that something is good or fine, or that something turned out well.
Yuri Gagarin was the fist person in space
Zack Ryder
We will never know, presumably noah from the bible but it all depends on what you count as human. "the fist person" doesn't exist either #sozman
John Glenn .
A fist is a person's hand with the fingers clenched or curled inwards. To "make a fist" of something is to make a reasonable effort.