I am known in my college as the guy with weird talents/hobbies for example unicycling, juggling, trampolining, clay animation, acrobatics... general circus stuff, i can also dislocate my shoulder at will but thats not really a talent or hobby is it?

I can imitate almost any persons laughter...

^^ unless its ninja bread man its not weird

Mummelmann said: I can imitate almost any persons laughter...

 Do this one and il be impressed ;)

http://uk.youtube.com/watch?v=vcM9JmSbvNg

I can point my toes downward and stand on them (kind of like the opposite of how you would normally stand on your toes)

I can also dilate my nostrils, but I'm not sure it is that uncommon.

I used to do Headspins (Breakdancing) which for those who don't know is this:

I can still do it pretty well, max is about 12 rotations.

thats awesome!!! which reminds me i can also do the worm!!!