Jun 19, · Put the "ha!" in Halloween with these DIY funny Halloween costumes. Choose from punny plays on words or hilarious character costumes. Each store-bought or DIY funny costume idea is sure to make your friends vulvas.xyz: Taysha Murtaugh. Some funny costume ideas include an overgrown baby, Napoleon Dynamite, Buddy the Elf, and a whoopee cushion. If the idea of the outfit makes you laugh, it will certainly make others giggle. Get more goofy costume ideas from this eBay guide, and instead of scaring people this Halloween, inspire smiles. Shop by Category | eBay19 pins.