The action of sneaking out of your house with all your friends when your parents think you're upstairs having a party and participating in a scavenger hunt around town.
This term is taken from the 2004 teen movie Sleepover starring Alexa Vega.
EXAMPLE:

Hayden: "What should we do for your birthday party?"

Julie: "Let's pull a sleepover!"
by Isabella Morrigan July 3, 2009
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