1 definition by mervyp01

When you are so sleepy that your sleepiness causes you to become angry, frustrated or both.

An amalgam of sleepy and angry invented to describe that feeling when you are really sleepy and someone is waking you up or not letting you get to sleep.
"I really tired now. Please let me sleep before I get slangry!"
by mervyp01 April 25, 2017
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