An informal, often British way of saying “that’s not really my thing”. Thought to be derived from the cult movie series “Austin Powers
Officer: One Swedish penis enlarging pump for a mr Austin Powers
Austin: that’s not my bag baby
by TheConmanCometh May 16, 2018
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To not be of someone's 'thing,' interest, taste or expertise. A polite way of saying that you have no interest whatsoever in what is being suggested or discussed. Can also be used in admitting ignorance of a certain subject.

Compare 'bag' to cup of tea. Perhaps derived from 'bag of tea.'
1. Guy: Want to come to the body building show with me this Sunday?
Gal: Uh, no, that's not my bag.

2. Fellow: Do you know any jazz clubs around here?
Buddy: Sorry, that's not really my bag.
by audiomasochist October 26, 2013
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The act of becoming one with whatever task you are trying to achieve. One dimensional. Tunnel vision. Grindin'. One who is "in my bag" has forgotten about all else except for the current moment. When you are in your bag you are unstoppable, you will shred anything and everything.
I was in my bag when I got 30 headshots last night!
by SilkyMeatloaf July 27, 2019
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the act of being in your own world; focused; being in the zone; on your grind
I be in my bag when i get in the booth.

I got an exam coming up, it's time to go in my bag and study.
by Rashine May 18, 2008
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be focased, you on your shit at the moment,
you making things happen.
yeo i got all these bitties, im in my bag.

yeo im gettin that money, im in my fuckin bag.
by will beezy September 7, 2008
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When you're sad and are deep down in the feels usually about a relationship
Person 1: why have you been listening to Drake a lot lately?
Person 2: I've just been in my bag since my breakup
by Drake drake January 7, 2016
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Thats my kinda thing = "That's my bag baby!"
by Colpesh June 2, 2005
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