An exclaimation to indicate something is funny, cute, or worth giggling at. Also to indicate sarcasm, after a serious statement is made. A verbalized version of 'Tee hee"
Yeah, I definitely did my homework, teezles.
When someone lowkey weird but you still fuck with them
Person 1: "Bro that Jason kid mad weird"
Person 2: "But he's teezle tho"