2 definitions by Khanada Rhodes

acronym for Mel Gibson Mysteriously Disappearing Accent Syndrome.

It describes anyone who, over the years, has either accidentally or purposely altered their accent. This can occur by someone moving to a new country or even part of the country, or by someone setting out to change their accent.
It's a shame that Tim fell victim to MGMDAS, his Scottish accent was so sexy.
by Khanada Rhodes July 5, 2005
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acronym for John Travolta Huge Ass Head Syndrome.

Basically, it's the phenomenon (no pun intended) where a man's head gets bigger as he gets older. John Travolta is a prime example of this.
Honey, do you think my head's getting bigger? I hope I'm not coming down with JTHAHS.
by Khanada Rhodes July 5, 2005
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