subs. (colloquial).—1.  Gibraltar. Once a penal station: whence—2. A gaol.

1

  1877.  W. H. THOMSON, Five Years’ Penal Servitude, iii. 221. I did a lagging of seven and was at the GIB. three out of it.

2

  1892.  Pall Mall Gazette, 23 March, p. 6, c. 1. ‘Stormy Weather at GIB.’ The weather here has been fearful; 51 inches of rain have been registered, and the land for miles round Gibraltar is submerged.

3

  TO HANG ONE’S GIB, verb. phr. (colloquial).—To pout. See JIB.

4