You are in Croom's front yard.
There is a mailbox.
> tear down mailbox
You have nothing to tear down the mailbox with.
> punch mailbox
Ow! That hurt. The front of the mailbox flew open
> look in mailbox
There is a Barack Obama sign
> take obama sign
Done.
> put obama sign in croom's yard.
Done.
There is an Obama sign in Croom's yard.
> urinate on sign
You relieve yourself on Croom's yard, defacing an Obama sign in the process. You are now full of win.