Because I'm Batman

Overall its a justifiable excuse for when you do something completely amazing or really stupid. From passing an exam to accidental setting your house on fire due to the fact that you didn't catch that last flaming chainsaw.
Example 1

Guy 1: "Dude how did you score with mandy last night?"

Guy 2: "Because I'm Batman!!"

Example 2

Officer: "Sir do you know how fast you were going?"

Guy 3: "It doesn't matter how fast I was going because I'm Batman!!!"
by Hourglass Mage May 05, 2011
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I'm down, cow!

A phrase used to describe someone that wants to engage in sex with cattle.
Person 1: If you had to have sex with an animal, which one would it be?

Person 2: I'm down, cow!
by Braveskid July 27, 2011
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It's okay, I'm a doctor!

The single most reassuring phrase you can say, just before or after something stupid is going to happen or has happened.

Whether or not it's true is a different story
"Hrm...I don't know if I should try and jump over this moving car..."

"It's okay, I'm a doctor!"

"Allright, that's all I needed to hear!"
by tehx02 June 30, 2009
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I'm Keith Hernandez

Saying you are going to do something simply because of who you are. The highest level of self-confidence and overemphasis of your abilities.
Hernandez himself when he makes a move on Elaine in a 92 episode of Seinfeld simply because he was Keith Hernandez. Michael Jordan making 3's in Game 1 of the 1992 Finals and shrugging to the crowd. Matt Leinart slinging the ball long on 4th down against Notre Dame. An athlete especially has an "I'm Keith Hernandez" moment when he decides to do whatever he wants because of his own name and identity. Frequently used by ESPN writer Bill Simmons
by Michael Bliss May 15, 2007
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i'm tryna yeah

usually what a male says to a female when he is trying to penetrate a females vaginal area
boy: girl i'm tryna yeah
girl: you tryna what?
boy: i'm tryna fuck
by pj schoolfield March 22, 2017
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Basically someone who is high on illegal, very-dangerous drugs. This includes: LSD, Ecstacy, Methanphetamines, and other halcinugens (haluccinations). Acid trip is the result of an act known as "dropping acid"
This is also a lyric in the Eminem/D-12 song Under The Influence. That line is sung by Bizarre.
Bizarre: "I'm ripped, I'm on an acid trip; my DJs in a coma for lettin da recid skip, lettin da recid skip, lettin da recid skip...(DAMN! Turntable spinning) .....Fukin anything when im snortin.....
by Ryan August 17, 2004
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I'm coming, Elizabeth!

The most well-known catchphrase on SANFORD & SON. Whenever Fred Sanford heard something particularly distressing, he always staggered around clutching his chest and shouted to his deceased wife, "This is the big one! I'm comin' Elizabeth!" This particularly applies to whenever you hear some really awful, distressing news, bad enough to make you think you were having a heart attack.
YOUR BOSS: I'm afraid I have some bad news: you won't be getting your bonus, I need you to work overtime next week, and your car's just been impounded.
YOU: Oh, my God! This is the big one! I'm coming, Elizabeth!
by OhioMan June 30, 2014
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