I hope these aren't breaking any rules, I call these generic jokes!  And you've probably all heard them, but I didn't see them posted here, so here we go.  Wherever you see <blank> insert whatever you like, lawyers, groups of people, whatever.  
Q:  What do you call 10,000 <blank> at the bottom of the ocean?
A:  A pretty good start.  
Q:  How do you save a <blank> from drowning?
A:  Take your foot off their head.  
Q:  What's brown and black and looks good on a <blank>?
A:  A doberman.  
I had more, but of course as soon as I started typing I forgot them >.<