A coyote morning is when one has too much to drink the night before and as a result wakes up next to someone less than desireable. Like a trapped coyote one would rather gnaw off their own arm than risk waking the creature next to them.
"I drank way to much last night and woke up having another coyote morning"

"that chick at the bar was hot last night, but she turned into a coyote morning for me"
by The Add November 19, 2007
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