roach back
/ˈrəʊtʃ ˌbak/noun
In an animal: a back with a convex profile due to an arched spine. Occasionally as adjective: = roach-backed.
Origin
Mid 18th century; earliest use found in William Gibson (?1680–1750). Apparently from roach + back, after roach-backed.
- someone's ears are flapping
- someone's face fits
- someone's kind
- someone's name is mud
- someone's number is up
- someone's (or something's) days are numbered
- someone's (or the) best plan
- someone's tongue is hanging out
- someplace
- somersault
- Somerset
- Somerville
- somesthetic
- something
- something else
- something fierce
- something for the weekend
- something is up
- something like
- something nasty in the woodshed
- something of
- something of the kind
- something or other
- something speaks for itself
- something would not go (or come) amiss