Definition of touch-no-walls in English:

touch-no-walls

(also touch-no-wall)

noun

Real Tennis
rare, historical
  • A handicap imposed on the stronger player in a match by which he or she must ensure the ball when played does not hit any of the walls of the court before its second bounce.

Origin

Late 18th century; earliest use found in Theophilus Swift (1746–1815), writer.