OP is original poster - the person who originally started the thread.
Other examples - MIL (mother-in-law), FIL (father-in-law), DIL (daughter-in-law), LTR (long-term relationship), GF (girlfriend/grandfather), BF (boyfriend). SIL can also mean son-in-law, depending on the situation.
Good Morning Thursday 5th November 2026
King Charles caught in a torrential 5 minute downpour yesterday on the royal Caribbean tour.
) if I did.