Becoming sleepy and needing bedtime visibly, especially when talking about events that might occur past your bedtime.

From Cinderella's "turning into a pumpkin" at a certain hour, here we have events that certain people generally don't get to because it'll interfere with their bedtime.
We tried getting reservations to <snazzy restaurant>, but they only had a slot at 10pm, which we gave up because Autumn starts pumpkinizing around then.
by whydoIhavetocreateaname April 07, 2009
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When you are doing stuff, but it's midnight and you are about to expire (like Cinderella).
by Mr. Verdesauce October 03, 2015
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Slang

Adj. (pmpkn, pm-, png-)
'p&m(p)-k&n

1) Excellent; first-rate

2) Very attractive physically, etc

3) Marked by a lack of intelligence or care; foolish or careless

4) A lot of, existing in great quantity or ample supply. Enough to fill the orange vine fruit "Pumpkin", that is widely cultivated in early autumn.
"Grunngg has a pumpkin sports car of the mountains"

"Stoozies had a pumpkin time at the party."

"That ho be mad pumpkin."

"By selling my crack-cocaine I recieved a pumpkin ammount of money."

"That ho made a pumpkin mistake when she crossed pimp daddy J-Silva."
by J-Silva November 09, 2005
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A word used for an adorable person, or one that you love.
My pumpkin called me last night!!!
by Lei October 10, 2003
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The act of driving around neighboorhoods looking for pumpkins in yards, snatching that pumpkin, driving away with the pumpkin, and then throwing that pumpkin at things from the moving vehicle (i.e. mailboxes, cars, lawn ornaments)
Mom, i need you to pick me up at the police station. I got arrested for pumpkining
by Capn Yoazz June 23, 2009
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A term of address to a little child.
"Patrick,pumpkin, it's time for your nap," Rachelle told her 3-year-old son.
by JMC70 August 04, 2017
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v. When an individual arrives at that time of the social event that s/he just has to go home. The party may not be over, but the party is over for you.

Derived from Cinderella's "the coach turns back into a pumpkin at the stroke of midnight."
"Is it 1 a.m. already? Let's go home; I'm about to pumpkinate."
by izzy wizzy May 19, 2009
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