Tell me a joke and if it makes me lawl I'll give you a dota 2 invite

Only 2 left (currently) and please post your joke on the FB link :) 
https://www.facebook.com/pccasegear/posts/550896338259614
 Although, fell free to tell me jokes here if you want but you can't win unless you post it on facebook :P 

remember. first in best dressed :)

Damn. If I tell a joke, people get offended.