Alright, I got one:
My gym only has one squat rack. So I come in and the gym is relatively empty, but there are these kids/guys/girly men (whatever you want to call them) in said lonesome rack. So I politely inquire when they will be finished. One of them gave me the trite, "oh, I just started" (which drives me up the motherfcking wall, but I maintained levelheadedness.) On top of that, they were deadlifting! In the rack! So I simply asked:
"You're deadlifting, though. Can I squat?"
"Oh no bro, we're squatting after."
"Okay... But you're not squatting now..."
He gives me a look -a feeble attempt at intimidation- and says, "do you really want to do this?"
I just chuckled and grabbed one of the bars from the bench area and did a few cleans.
The attitude of some people...