When you're online with someone and they say something sexual too you, and you get this grippling feeling they're not of age so you ask their age to find out they're under 18. This is where you come to realize you're Catching A Case.
Example 1:
Person 1: Hey girl, you sound hot. You mind if i inject maple syrup in your ass?
Person 2: sure.. wait, how old are you?
Person 1: i'm 16 and have alot to give.
Person 2: I'm Catching A Case, bye.

Example 2:
Person 1: I lied about my age, but i hope you'll still love me for me. I'm not 21, I'm 13.
Person 2: I'm Catching A Case, and we can't co-exist together anymore. *blocks person*

Example 3:
Person 1: I'm impressed you're grand champ on RL, maybe you could teach me to get good.
Person 2: Yea sure, but it's going to take a while.
Person 1: Baby, I got time for you.
Person 2: .. How old are you?
Person 1: 15, 16 next month.. you got snap?
Person 2: I'm Catching A Case, gotta go bye.
by Amish Stalker May 5, 2020
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Not wanting to go to jail for dating someone younger. Not being interested in someone too young.
Guy: Sorry, not trying to Catch a case. You’re too young for me.
by Sam1d September 29, 2019
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To physically assault someone. To attack physically, barehanded or with a dangerous weapon.
Ron gripped the handle of his cane sword, saying "both of y'all better leave this place," as he slowly unsheathed the blade "or I just may have to catch a case!"
by the birds and trees June 1, 2007
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A term used when you meet a hot girl at a bar or a club(thinking she is 21 due to the circumstances, but she is only 16). Proceed to go back to her place and have intimate relations, but wake to find an Enraged Father and the police. Usually results in around 10-20 years and the sex offender registration process(due to the fact you have been convicted as a child molestation). In laymands terms
Andrew: Hey that lil' young bitch over there is hot.

Mike: Yah, I am gonna have to "catch a case" tonight.
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this is used by mostly black people when they are bout to fight
by itty bitty August 4, 2005
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we’re gonna have a problem there is gonna be a problem
Person 1: Wow Brian is really getting on my nerves.

Person 2: Your really gonna catch a case with him
by bumblebeebridget November 14, 2019
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