Some ideas for dressing up from CowAppreciationDay.com
Start With What You Already Have
Cow-printed accessories stashed in your closet will work perfectly. Hats, vests, scarves, neckties, pants, shoes, pajamas - just about any cow-spotted item will work. Just make sure you're covered head to toe.
Wear White & Just Add Spots
|The Hill Fam on Cow Appreciation Day 2013|
Go to local paint or hardware store & get a white painter's hat and overalls. Then decorate yourself with spots made out of contact or construction paper.