n: Something that has a mysterious, excessive, awesome quality. Like a combination of explosions, monster trucks, rock bands and free pie. Not an adjective, but a noun which is used more like a metaphor than a description. It is too important not to capitalize.

Internet persona(s) who happens to follow you and you happen to follow them back and maintain communication with and have a mutual liking for eachother whether it be friendship wise, etc. (Mutuals if more than one mutual)

Thunderpie is an immature way to say handjob and talk about the sexual act of such, without others knowing....mostly teachers and other people that just don't want to hear you talking about that.

When someone has explosive diarrhea in the morning