When some one saves all the nasty voicemails or texts you have sent them. Or records the fight that you've had.
What are you building a case on me?
When you slide the condom off in her ass so when she shits it fills the condom like a sausage
Hey Becky, Keaton left a condom in my ass, when I pooped the next day it looked like I left a full sausage casing in the toilet
when a muscular guy looks for any opportunity to take off his shirt and showcase himself; often appearing as a douche-bag rather than cool
(me at stoplight): u know, it's only 68 degrees outside I don't think you need to run shirtless...
runner: dude it makes me aerodynamic!
me: yea ok, and I'm sure your six pack abs weren't gonna bro-case themselves, right?
An involved, over the top job or task that by all observations is going to be your worst nightmare to accomplish, and usually will only be done by enlisting the help of a friend who will only participate because he owes you a favor.
The busted sewer pipe under the house cost two thousand dollars to fix because the job turned into a puss case when the whole floor caved in.
"Did Ren just eat 6 donuts?"
"Ya it's whatever, she's a fried case"
Masturbation: Stroking it. Choking the chicken, Spanking the monkey, etc.
Did you go out last night? No, I was home alone casing the sausage.