To sleep for a very long time.

In particular, longer than you would for a normal sleep and shorter than bedrest
Man, I wish I had just slept instead of slumbered.
by Jason101 December 25, 2005
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To be in a state of sleep, or being woke up.
"You woke me from my slumber!"
by Loe826 February 04, 2009
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"Man I was so slumbered last night, after the fifth blunt i was flying."
by TPS3 October 18, 2008
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GIBBER DEEDLE SLUMBEERR 😩 oh that brother GOoOnNee
💢GIBBER DEEDLE 🏌️SLUmBErrrr💤Oh that BroTHeR GooNNEee😩
by MC HAMMER+ March 11, 2021
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when you're staying the night at someone's house and want to say it in a tricky way.
I'm slumbering at Holly's house tonight.
by Teannah November 14, 2004
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That feeling that arises when one gets into a bed with newly changed sheets (preferably "Jersey" sheets, or that T-shirt material) and you are overwhelmed with comfort to the point where a nap/complete REM cycle might be in order.
OOO0000oooo000000....I feel slumberful when I get into this bed with newly changed sheets, jersey sheets more specifically, and am overwhelmed with the comfort to the point where a nap/complete REM cycle might be in order.
by J. Scoot December 09, 2010
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