When a person that is supposed to know what he's doing spaces out and does the complete office. The term was originally coined to refer to former Red Sox baseball player: Manny Ramirez. It can also be used in different context to refer to any idiot.
Sam: Look at that fool that just got hit in the head with a baseball.
Jim: Manny being Manny
Britney being Britney (slut)
Paris being Paris (bigger slut)
Lindsy being Lindsay (idiot) (and slut)
Alex being Alex (eternal failure to win a world series)
1. Any behavior associated with baseball player Manny Ramirez acting foolishly.
2. A phrase used to replace an exclamation of apathy/a feeling of being content. Does not need to be a baseball related event.
Person 1: Oh man, I dropped a can of green beans on my foot. I think it might be broken!
Person 2: That's just Manny being Manny, baby.
Wife: Honey! I think I just ran over our cat! I'm pretty sure she's dead!
Husband: Manny being Manny!
Reference to the silly and often lackadaisical behavior of Red Sox outfielder Manny Ramirez. Although Manny is one of the top players on the team, this phrase is generally not used to describe his good play.
Fan 1: Did you see Manny space out and drop that fly ball last night?
Fan 2: Yep. ::sigh:: Manny being Manny.
Behavior that would not be tolerated by other professional baseball players but is in Manny Ramirez (Boston Red Sox left fielder) due to the goofy grin, pistol-fist points back to the dugout, and tossing of his unkempt dread-locked hair is referred to as Manny being Manny. Red Sox fans, at least the ones who know that baseball is entertainment and not a way of life, appreciate these moments because who doesn't like hilarity?
Manny puts a friend's grill for auction on eBay saying it is his own: Manny being Manny.
Manny says he is arriving late for Spring Training 2007 but actually is scheduled to appear at a classic car auction in Atlantic City: Manny being Manny.
Manny keeps requesting to be traded, then isn't, and then professes his love for Boston and that he never wants to leave: Manny being Manny.
July 18 2005 Manny uses a Green Monster pisser
during the opposing team's coaching visit to the mound: Manny being Manny.
Whenever Manny looks like he's not paying attention in the outfield or fails to run out a ground ball: Manny being Manny.