FIL
noun informal
A person’s father-in-law: my in-laws helped tremendously—my MIL prepared food and my FIL helped move boxes and furniture...
- I hope we can reschedule my FIL's long-awaited trip to see us.
- On my last trip to my in-laws' place, my FIL actually told me that I was disrespecting him by not wearing a bindi!
- D wanted to sleep in today, and since there will only be us and my FIL for dinner today and I could do this menu in my sleep, I said that was fine.
Origin
1960s: abbreviation.
- not know if one is coming or going
- not know one is born
- not know one's arse from one's elbow
- not know shit
- not know shit from Shinola
- not know someone from a bar of soap
- not know someone from Adam
- not know that
- not know the first thing about
- not know the meaning of the word
- not know what hit one
- not know what to do with oneself
- not know where (or which way) to look
- not know where to put oneself
- not know which way (or where) to turn
- not least
- not let the grass grow under one's feet
- not-life
- not likely!
- not like the look (or sound) of
- not-living
- not long ago
- not-me
- not mince words (or one's words)
- not miss a trick