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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completely made for shits and giggles, has nothing to do with actually being jewish and is not being used as a racist remark. founded ou..