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2.
The most awesome of awesome. Indescribably great (except by the use of this word). A shining beacon of near-perfection in a world filled with stuff that's something less.
Evan is so suave, sophisticated, intelligent, graceful...The list goes on. He's the best at everything. He's a Giesel-Man.
by Jeremy Lo June 14, 2006
 
1.
1.) One whose mother has amazing zoinkers
2.) Manchild
3.) One who has been known to motorboat buttcheeks
1.) "You like hot moms? Then let's go to Evan's house. He's a Gieselman."

2.) "Why is that grown man still playing video games with the kids? Oh - He's a Gieselman. Gotcha."

3.) "Nah man, Evan hasn't been eating chocolate. He's a Gieselman."
by EvanWishesLifeWasAnAnime January 16, 2007