In FPS games, humiliation is doled out after you kill your opponent, stand over their body and squat repeatedly. This is called a teabag
In Titanfall, you can do this with your Titan, which is much, much more satisfying.
After an epic 'Rock-em Sock-em' slugfest in Titanfall, the other pilot ejected so I shot him and Titan-bagged him for his cowardice.