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."
An inadvertent mis-rendering of the saying "making a mountain out of a molehill" - enlarging an issue beyond its merits or needs - which unintentionally and charmingly accentuates the disparity.
"So what? You lent me your car to go grocery shopping. For whatever, an hour, and I brought it back! It was not three weeks later! Sixteen days is much closer to two weeks. You are so totally making a mountain out of a molehole".
A mysterious weather pattern that has repeatedly caused a man's wallet to disappear without trace, usually ocurring while the man is drunk on russian vodka.
Mate.1 - "Holy fuck Ansen you've lost your wallet on the train from Siberia to Mongolia, that's pretty fucked up."
Mate.2 - "Yeh I heard on the news that the mongohole was heading our way, but didn't realise it would hit so early!"