A weronika is a very attractive woman which is usually polish ,slutty even though she denies it,who grew up in a christian household ,
it also can mean 'dirty weronika' which is lesbian sex ,usuing tampons as gags while two girls have sex with eachother
"look at that chick!" says guy 1
"shes a weronika" says guy 2
"...a dirty weronika?" asks guy 1
"no! a polish ,slutty ,attractive girl!" says guy 2