Third Culture Kids - People who have three or more cultures even though t is supposed to be for three. Third culture kids usually are fluent in one or more languages and sometimes more often than not are shitty at the rest of the languages they know.
Jack: Are you a tck?
Mary: No, I'm clean, I don't do drugs, I'm Mormon.
Jack: God...you're a fuckin idiot...peace out, bitch, bai ci
Mary: He's kinda cute...