is rude in france:

'Gesture 19: « Cocu »
Cocu literally means 'cuckold.'
Hold your index fingers up next to your ears and wiggle them up and down.
Register - vulgar'
french.about.com/library/weekly/aa020901t.htm
(,
Wed 7 Nov 2001, 10:44,
archived)

'Gesture 19: « Cocu »
Cocu literally means 'cuckold.'
Hold your index fingers up next to your ears and wiggle them up and down.
Register - vulgar'
french.about.com/library/weekly/aa020901t.htm
