When you ask for/want something but instead, for what ever reason be offed the less favorable option. e.g. Asking for a coke but instead being asked if Pepsi is okay.
Customer: I would like the chocolate fudge cake please
Waiter/Waitress: I'm sorry we are out of the chocolate fudge cake would you like the fruit platter instead?
Customer: Dam i cant believe i got pepsied
Known as a GOAT or someone/something that isn't just good at most things, but great or greatest at most things.
Also a substitution of the n-word for people of caucasian decent.
Drew: That kid is a GOAT.
Jack: Nah, that kid is a peppie!
this could also be a nickname for a fag. This person find the number '696' very amazing.
A 'pepsie' usually is an artist.
A 'pepsie' also is very attacted to purple cats.
Bob: Some fagdrew purple cat balls all over town.
Sue: I'm sure that person was a pepsie.