Someone hyper and energetic that shocks people and is badass.
Teenagers can become syper in a party.
by RealOnlyDefin July 08, 2015
1 more definition
When a person tries to be as cool as you are and tries to mimmick or copy you.
My mom was trying to syper me when dad and i had a conversation about import tuners.
by DJ iNTOUCH December 07, 2005