heard you got brains

I am fond I am fond of those little buns And I am keen I am keen on keeping them close to me I am fond I am fond of those little buns thank you And I am keen I am keen on keeping them close to me I heard you've got brains in your head So do I So do I I heard you've got brains in your skull So do I I heard you've got brains in your head So do I So do I I heard you've got brains in your skull So do I Got to use your brains Got to use those pretty brains