Definition of winkles:
(n) :
(childish, slang) The penis, especially that of a child rather than that of an adult.
(n) :
A periwinkle or its shell, of family Littorinidae.
(n) :
Any one of various marine spiral gastropods, especially, in the United States, either of two species Busycotypus canaliculatus or Busycon carica.
(v) :
Synonym of winkle out (“to acquire or extract with difficulty”).
(n) :
A surname.