Herperderp Adj, N. Adj: somebody who dwells in their own idiocy without realizing some sort of folly. N: Herperderp is pure 100% idiocy without revelation.
"Don't spread that herperderp you have there!" (N).
"Your herperderp has really folded on you hasn't it?" (Adj).
The act of a double melee in halo
Dude that noob totally herperderped me!