or not

Etymology 1
Influenced by, forming a question, and similar interrogative expressions with , , and other dialectal synonyms.

Usage notes
In contrast to most English dialects, where "or not" is only optionally appended to a yes-no question formed syntactically ("He called" → "Did he call?" → "Did he call or not?"), in, "or not" functions as a final particle and forms a question by itself: "He got call" → "He got call or not?".