"Did I give you permission to breed? I think not!"
"What the.....stop boinking your BROTHER(/sister/mum/dad/etc.)!"
"Stop investigating the cactus! You already know about the bloody cactus. Don't you have research you should be doing?"
"Get back to work, peon!"
"Finally! A male! There shall be new generations, and they shall all be hideously inbred."