Slartytup

The act of participating in a slumber party where random acts of fun are involved.

Originates from the statement 'Slumber Party it up'

Hey haven't seen you for a while!" "I know! We should so Slartytup some day!

by McFailish July 19, 2010

sluttytup

The act of participating in a slumber party where random sexual acts are involved.

Originates from the word slartytup.

Stefan: Did you see Brenda at the sluttytup last night?

Jake: Yeah, she was pulling Dirty Ashirs all night!

by QuackyCube December 15, 2022