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5.
when your boyfriend is eating you out you fart in their face then you stick a corncob up your ass then make your boyfriend eat it..

me: one time when i was in flordia i pulled a cornstar on him and he came back for more that next night...
by lindseycarlyshea November 09, 2007
 
1.
a girl who jams corn on the cob into her pussy to get off.
Last night my girl fucked herself with some corn on the cob. She's a real corn star!
by mikew5205 September 22, 2010
 
2.
Straight Up country girl, that is sexy as hell and you cant help but stare.
"man look at her up on the tractor, shes a corn star"
by CountryLover22 November 12, 2013
 
3.
Part of the Wolfstar (remus x sirius) fandom. All started when someone wrote a smutty thanksgiving fanfiction. with corn...
*mum makes corn for dinner* - due to cornstar all I can think of is remus and sirius having rampant sex
by wolfstar1595 August 07, 2012
 
4.
The anus, so called as it is a star shaped whole that offten allows corn to pass through it in your poo.
i just wanted to flick his corn star.
by ad-cale January 29, 2009