The act of excessively displaying your pure brute,strength, or competitiveness...Especially at JCU WBB Practice.
At Practice:
*Manning grabs offensive rebound, dribbles entire length of court( head down), spin moves through the lane, euro-steps and dunks on 5'3 girl*
Team: "Daaaaaannngggg you just got Manning'd"
In Game:
*5'4 opposing team player gets in the face of a JCU player*
JCU player: "Don't make me go Manning on you!!!"