Wienie, another spelling of weenie, is a slang term to refer to someone who is kind of an annoying kiss-up or wimp, or a slang term for a man's penis, or a shortened version of the name wiener sausage.
(noun)A little wimpy kid at school who makes annoying comments and who everyone thinks is annoying and makes fun of is an example of a wienie.
See wienie in Webster's New World College Dictionary
noun