This is the funniest running gag I’ve ever seen. It comes from the show Arrested Development. In season one, Gob did a ‘chicken dance’ that got them arrested in Mexico. His impression of a chicken is not even close. Throughout the seasons, each family member also had their own ‘chicken dance’ and again, none were even close to what a real chicken acts like.
This clip is the family doing their own version of a chicken as their way of calling Michael a chicken.