Green’s Dictionary of Slang

cock linnet n.2

[rhy. sl.]

a minute.

[UK]P.H. Emerson Signor Lippo 45: The omer of the carsey is coming in a few cock linnets.
[UK] press cutting in J. Ware Passing Eng. of the Victorian Era 82/1: Hold on for a cock linnet – now barney.
[UK]E. Pugh Harry The Cockney 118: ‘Half a cock-linnet,’ cried McGaffney, looking up.
[UK]E. Pugh Cockney At Home 24: Half a cock-linnet, ole love!
[UK]J. Franklyn Dict. of Rhy. Sl.
[UK]S.T. Kendall Up the Frog 12: Shan’t be a cock linnet – just going for a Jimmy Riddle.
[US]Maledicta II:1+2 (Summer/Winter) 120: The result has been too much [...] false modesty about words that simply look as if they might be sexual: cock [linnet] = ‘minute’, not to mention expressions such as old cock (buddy, mate).
[UK]P. Wright Cockney Dialect and Sl. 104: cock linnet ‘minute’.
[UK]M. Coles More Bible in Cockney 82: Wait a cock-linnet! I’m not that Hank Marvin!