that is the infinitive mood present tense form. its conjugation follows the 1st form, like all verbs ending in -are. naturally, it being a word from the neapolitan dialect, deals with the neapolitan corresponding forms.
"chill te paréa 'n'cuoll" = "he mocks at you"
" e jà, sto parijann" = "c'mon, i'm just kidding"
"ajere ssera 'amm parijat" = "yesterday night we had a lot of fun"