crosenbaum 

A tool.
Someone who signs out on you mid conversation.
One who wears pinstripe shirts and thinks he's cool.

Wow he signed out on me mid conversation. What a crosenbaum.

crosenbaum by Dr. Poop2 January 15, 2011

Michael Rosenbaum 

Michael Rosenbaum is a wonderful male actor who plays Lex Luthor on the show Smallville, played Adam on the movie Sorority Boys, and does the voice over for The Flash on the Justice League. He was born July 11, 1972, in Oceanside, New York, USA. Nickname is Rosey. Middle name is Owen. He is exactly 6 feet tall. He graduated from Castle High in a city in Indiana. He comes back to Indiana every summer to participate in an annual wiffle ball tournament with old high school friends. Participates in many celebrity ice hockey and charity events. The charity he favors the most is the Ronald McDonald House. Has a great affinity for 80s Soft Rock. Athletic and outgoing, Rosenbaum is an avid hockey player and golfer. He is also a dedicated New York Rangers fan. In addition, he has a passion for music, and plays both acoustic and electric guitar. So far, he's had to dress as a girl in two movies.

Will be in- "Kickin It Old Skool" and "Gay Like Me".

Michael Rosenbaum was in- Justice League, Smallville, Teen Titans, an episode of It's Always Sunny in Philadelphia, Jackie Chan Adventures, Cursed, Racing Stripes, Static Shock, Gladius, Bringing Down the House, Special, Poolhall Junkies, Sorority Boys, Rave Macbeth, Batman Beyond, Sweet November, The Zeta Project, Batman Beyond: Return of the Joker, an episode of The Wild Thornberrys, Eyeball Eddie, Zoe, Duncan, Jack & Jane, Urban Legend, The Day I ran Into All My Ex-Boyfriends, 1999, Midnight in the Garden of Good and Evil, The Tom Show, and The Devil & and Angel.

Michael Rosenbaum by ScruffyKK June 1, 2006

Rosenbauming 

Rosenbauming (adj) or Rosenbaum (noun) is defined as:

When you are unable to decipher if a boy is of legal age, but proceed to sexual intercourse regardless.

Joseph Rosenbaum: Hey man, check out that dude! I'm going to get him drunk and sleep with him!

Huber: I don't know man, he looks kind of young. He keeps talking about how he can't wait to get his driver's license.

Joseph Rosenbaum: Fuck it, I'll just Rosenbaum it.

Huber: Better watch out for Kyle!

Person 1: That guy that Joseph is with looks pretty young. Did he ask him for his age?

Person 2: Nah, he is just Rosenbauming it

Rosenbauming by GreasyFrenchy November 19, 2021

Joseph Rosenbaum

A repeat child anal rapist and burglar. The dangerous felon was out in Kenosha on August 25, 2020 attempting to attack 17-year old Kyle Rittenhouse when Rittenhouse shot and killed him in self defense.

"Joseph Rosenbaum died as he lived, trying to touch an unwilling minor"

Joseph Rosenbaum by FentanylFloyd November 21, 2021

Rosenbauming 

Verb

To go off one’s medication; to never take medication

Did you hear about that pedophile who chased a minor down the street? Dude was totally Rosenbauming.”

Rosenbauming by ThatVerizonGuy November 15, 2021

rosenbaum 

1) noun
An Asshole (literal or figurative).

2) verb
To be an asshole; To fuck over (lit. or fig.)

My school is rosenbauming me with this tuition hike.

Mahmoud Amadinejad is such a rosenbaum.

He rosenbaumed you by not telling you about the sale.

rosenbaum by Gragster September 10, 2009

Reverse Rosenbaum 

When you get raped by 5 men.

I'm the only conservative in this classroom, they're gonna give me a Reverse Rosenbaum.

Reverse Rosenbaum by M&Marrio November 18, 2021