In case he got a hole-in-one!
Because if it had 4 doors it'd be called a chicken sedan. (better if saying it out loud because of the spelling of coop/coupe) -
An elephant with diarrhea...
Because the woodpecker.
Have you ever seen a money-box (piggy bank) with a hole at the bottom...
An old shoe......and Ronda Rousey
A birthday pheasant!
Its in case he gets a hole-in-one.
Just in case you get a hole in one.
Par**ty.
The bogey monster
Because all the other fore letter words were taken (Thanks to... this now makes sense...)
The Tchernobyl cowboy.