The protagonist for the manga/anime One punch man.

The overpowered bald superhero who defeats enemies with no effort.
Guy 1: did you watch One punch man last night?
Guy 2: Yeah! Saitama kicked ass!
by Awesomeszt December 15, 2015
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The Hero can replace Superman and Goku.
A.K.A. One Punch Man
by Theonepunchman November 16, 2015
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Just a guy who's a hero for fun.
Guy 1: Who the hell is Saitama?
Guy 2: Just a guy who's a hero for fun.
by hoykaibiganko October 6, 2019
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A bald egg / superhero from a anime show called One Punch Man. Saitama can one punch anything
Guy 1: Saitama kicked butt
Guy 2: Yeah he really kicked thedogthatgoesmeow butt
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A person who can kill and/or knock you out with one hit.
Saitama killed that monster with a punch.
by utopiarealized February 11, 2019
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The greatest, strongest and most noble hero ever, he can one punch everything and anything (including Goku) he's the main protagonist of the best anime of all time, one strike man
Guy: hi-
Me: Saitama is stronger by lore
by Genos-kun_loLz January 16, 2022
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