A liquid substance that must be sucked from a woman's ta-ta's. It is extremely beneficial to a child's intellectual ability.
Breast feeding ACT score correlation:
No breast milk: 0-18
3 months breast milk: 18-23
6 months breast milk: 23-28
9 months breast milk: 28-33
12 months breast milk: 33-35
And if you want a freaking smart ass baby, breast feed them til they go to college!
Girl: I love you so much, you are so smart.
Guy: Thanks, my mom just finished breast feeding me. I love breast milk. YUM! (licks lips)