Nice answer by @tchrist. I add this as more interesting and 'out there' information:

'In the course of researching this I came across a few odd ball suggestions and here is one. ‘ When the French laugh, their adam’s apples bulge out of their necks like frogs.’

 

'It is possible that Nostrodamus was the first person to refer to the French in amphibious terms.'

From poitoucharentesinphotos.wordpress.com

Nice answer by @tchrist. I add this as more interesting and 'out there' information:

'In the course of researching this I came across a few odd ball suggestions and here is one. ‘ When the French laugh, their adam’s apples bulge out of their necks like frogs.’

'It is possible that Nostrodamus was the first person to refer to the French in amphibious terms.'

From poitoucharentesinphotos.wordpress.com

Nice answer by @tchrist. I add this as more interesting and 'out there' information:

'In the course of researching this I came across a few odd ball suggestions and here is one. ‘ When the French laugh, their adam’s apples bulge out of their necks like frogs.’

'It is possible that Nostrodamus was the first person to refer to the French in amphibious terms.'

All from this link: https://poitoucharentesinphotos.wordpress.com/2016/01/29/why-do-the-english-refer-to-the-french-as-frogs/

Nice answer by @tchrist. I add this as more interesting and 'out there' information:

'In the course of researching this I came across a few odd ball suggestions and here is one. ‘ When the French laugh, their adam’s apples bulge out of their necks like frogs.’

'It is possible that Nostrodamus was the first person to refer to the French in amphibious terms.'

From poitoucharentesinphotos.wordpress.com