What is Omdm?
1.
Old Man Dick Mouth.
When the after taste of consumable items or the taste in one's mouth after sleep causes great discomfort. The resulting taste can only be described as old man dick.
Oh man, that coffee sucked, I've got a major case of OMDM.
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1.
Nickname for Sacramento, California. In times past the home of many tomato processing canneries. Not widely used by native Sacramentan..