Definitions by Doyman.

doy 

A great Spanish word meaning "I give."

Although, it's not as great as "diphthong."

Doy quesosisimo vengaza!

Doy, you diphthong.

doy by Doyman. October 23, 2007

diphthong 

A vowel combination consisting of a weak vowel and a strong one.

It is more commonly used as an insult, seeing as it is a legitimately funny word.

There is a diphthong in "loud."

YOU'RE A DIPHTHONG.

diphthong by Doyman. October 23, 2007