1. Adult tourist( See tourista) that visit Disney World who exhibit childish or idiotic behavior. Mouseholes are easily identified by characteristic items of clothing ; oversized Micky Mouse ears, a "Cat in the Hat" hat or a "Its a Small World"fanny pack."
2. Surly Disney employees or managers.
1. "Geez ,that mousehole in the Taurus cut me off on the Beachline and I had to circle around to get back on."
2. "Damn, that mousehole grinned right at me and purposely gave me a screwed up soda..its all syrup."