a plump bitch is a chubby ass bitch who sucks cock for free and usually owns a sex toy of sum sort, usually needs glasses but doesnt get them because they think they're the shit when really they just sum fat whore with no job, your sister is one

Internet persona(s) who happens to follow you and you happen to follow them back and maintain communication with and have a mutual liking for eachother whether it be friendship wise, etc. (Mutuals if more than one mutual)