shubbup 

a cute way to say shutup without actually meaning it in a harsh way .

i love you richard =

richy : your so beautiful
nikki : no you are
richy : noo you are
nikki : shubbup ... your are ! <3
richy : = i love you

shubbup by nikki lehmkuhl March 4, 2008

shubbut

Adj/ Noun: An epic fail

Adj: you're a shubbut
Noun: I created a shubbut in art

shubbut by 3pic_BR August 2, 2016

shutbup

to tell someone to shut up by placing one finger on their mouth

Gavin told jakivia to shutbup

shutbup by Shutup1123 July 15, 2017

shutbup

when you are in denial of being yresnit

person a: you are so yresnit
person b: shutbup

shutbup by puchi..... November 3, 2019