Phrase shouted at a person who needs to both be quiet and wrap themsleves in tinfoil simultaneously.

Important when hiding from the aliens.
"I told my kids they'd better shiny up if they didn't want to be probed! Better believe they listened!"
by edward_violet December 16, 2009
Get the shiny up mug.
Holy shit patus was only in that boat for a minute or two and it's already shiny side up!

Fuck...we are shiny side up!!!
It's ok Damo's here he will sort something out
by Big sting daddy September 8, 2018
Get the Shiny side up mug.