noun. uncontrollable laughter when over tired. the unit will laugh at even the stupidest things and may respond with harsh words that don't even make sense. the unit may even result in throwing things

During the late hours of the eve, Peter cannot help but have the sleepy sillies and whip books at his wives.

Sleepy Sillies by Humpcatter16 January 17, 2010

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silli season

When most of your female friends do breast implants.

Guy1: Have you saw Elaine recently? She looks like she´s got her boobs inflated!
Guy2: Silli season.

silli season by LeMOnVodk October 16, 2010

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Hangover sillies

The incontrollable silliness and/or giddiness that follows a night of excessive drinking.

Person 1: I just threw up in the dune grass.
Person 2: Fact - every second Christmas, an African child punches a baby.
Person 1: We have such a bad case of the hangover sillies.

Hangover sillies by Freckles17 August 24, 2011

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Sillied

A girl who would get shagged silly.

"look at her over there... SILLIED!!"

Sillied by The Sillied's Page June 22, 2009

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