sprain one’s ankle

sprain (one's) ankle

1. Literally, to injure ligaments in one's ankle by wrenching or suddenly twisting them. At first I thought I had only sprained my ankle, but it turns out I actually broke a few bones when I fell like that.
2. euphemism, obsolete To be or become pregnant. I heard the poor lass was taken in by a rake and ended up spraining her ankle.
See also: ankle, sprain
Farlex Dictionary of Idioms.

sprain one’s ankle

tv. to become pregnant. From the looks of her, she must have sprained her ankle some months ago.
See also: ankle, sprain
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions
See also:
  • sprain
  • sprain (one's) ankle
  • sprain ankle
  • ankle biter
  • by ankle express
  • express
  • ankle
  • biters
  • lose (one's) footing
  • be (as) tough as nails