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7.
Contraption of I am and gonna, commonly used bu Kanye West whilst dissing music videos.
"yo! Your mom looks like crap today!"

"shut up or I'mma smak yo' face!"
by Punkybrewer March 18, 2010
 
1.
Used in place of "I am going to..." Technically should be spelled i'mma but since this is a shortened version, we leave out the apostrophe!
Ricky said, "Imma get myself a power drink and a snack, and I'll be right back."
by Valerie0214 August 21, 2006
 
2.
The only contraction that is of 4 words, "I am going to." Either that or a contraction of 2 contractions, "I'm gonna." (1.)
Not to be confused with "I'm a..." (2.)
1. I'mma get me a cookie.

2. I'm a salsa addict.
by Slightly Off The Ground January 05, 2008
 
3.
1) A shortened form of "I'm going to"

2) A shortened form of "I am a"
Business Man: Imma make you big, kid!

Plumber: But, Imma plumber!
by Alexander Pritchard January 02, 2008
 
4.
a nastardization of "i'm going to".

"imma", when used, implies either redneck blood, or an idiot.
Imma rid Iraq of Weapons of Mass Destruction.
by ZE-bear March 24, 2003
 
5.
Wow, just wow. The way illiterate dumbasses, people in a hurry, or children (which really fall in to both categories) say one or a few of the following...
*I am
*I am a(n)
*I will

The way, usualy in text form, people write one of the above.
Max: What are you sposed to be?
Tina: Imma race car driver. Cuz I loves me some NASCAR.

Max: What are you going to do until your mother gets home?
Tina: Imma wait.

Max: What do you think you are doing with all of that money?
Tina: imma gonna spend it
by Quocalimar December 04, 2011
 
6.
Contraction: I Am Going To
I'mma go to the bath room
by Zabrow December 10, 2008