Begaffling
When one is so confused that no word can describe their confusion.
Wha, why, what?! THATS BEGAFFLING!
Begaffle
To laugh boisterously. Especially at others' misery.
When he explained that he had gotten gonorrhea I couldn't help but begaffle at his problem even though I felt like shit for laughing it was just so funny I begaffled for like thirty straight seconds