where can i buy a t-shirt that says "Looking for a girlfriend"?

Look here. A colonoscopy is a procedure to examine the inside of your colon (intestine) with a scope. A scope is a flexible tube with a small light and camera on the end. Look for the answer there. 

 you can't do that the loss of psychology psychology all of do is just call the police on you

There are a variety of companies that will print out a single t-shirt with the slogan of your choice, in the design of your choice. Look them up via google.

You could just download Tinder. If you buy a t-shirt like that and stand in the middle of a city with huge foot flow then you might attract a crazy women.

You can order custom printed T-shirt & tell them to print those words or anything else you would like