When my partner asks for any money I owe him for bills, I always hand it over whilst saying "There you go darling. Buy yourself something nice." in an East London accent.
A few years ago at my previous place of employment, we had to deal with a civil engineering contractor named 'Copa Meica' (who incidentally were a right bunch of b***ards.)
I couldn't get through the day without singing Copa Cabana by Barry Manilow!
All together now...'her name was Lola she was a showgirl..'
Probably one of those ones where you had to be there.
i have a tendency to say "thats very postmodern" about anything even marginally ambiguous - regardless of wether it actually is postmodern. and in critiques i mention some element of someone's design or the typography being "sexy" at least once per class.
we rap in the office. when someone says something that has to do with a line in a song we either quote the lyrics or try to rap it. it is pretty funny!