(verb) To nigfest; it can be used in the past, present, or future pretense.
Nigfester- One who attends a nigfest and participates in the fun and gamez.
The many nigfesters exploded after the night's events.
I asked a nigfester how one nigfests, and I exploded.
I went to the party to ask my friend if he could help me with a particular task. He responded, "Can't you see I'm busy nigfesting over here?"