What does Alph-nade mean?

Alph-nade meaning in Urban Dictionary

An Alph-nade is an adjective given to a completly random frag granade thown in a multiplayer game, which eliminates one or more opponents. Originated in Halo 2.When the alph-nader (n00b) features successfully performed an alph-nade, the universal occasion is always to to cry "ohhhhhhh omg i roentgen therefore awsuM!!!!11!!!