I workout at my college gym and let me tell you, some funny shit goes on. A couple incidences come to mind right off hand...
1) This guy who is a damn body double of carrot top comes in and does one set of damn near every exercise possible. One day, he came up to the dumbell racks and picked up 2-5 lb. weights and started to flail around like he was boxing. He was grunting with every punch. He stopped doing it as soon as he saw my laughing my ass off at him-I had to leave the gym for a minute to compose myself.
2) Some old fucker who has a membership there who wears sweatpants about 10 sizes too small. Anyways, he was doing overhead skull crushers with the EZ bar. During each rep, he jumped about 4 inches off the ground-once again, I had to leave the gym to stop laughing.
3) Another scrawny fucker who put the most weight on the bar that he could do and did holds with the weight. He would put 1200 lbs. on the leg press, take it off the rack, and simply hold the weight, fully extended for like 5 seconds, then rack it and take about a 10 minute break and breathe really heavy.
4) The all-time classic was this guy(once again, another scrawny fucker) working out with 135 on bench(doing 3 sets of 3 reps) and screaming his ass off-I mean, as loud as you can scream. On his final set, the bar was uneven and one of the plates slid off the bar. He didn't have a spotter, so he started yelling "help me!" once the plate slid off. I about lost it!
There's never a dull moment where I work out! Between that, looking at all the college hotties, and lifting, it's an experience every day! Oh, BTW, I have seen all of these incidences in about a two month period.