Top Definition
A yearning from a penny-pinching jew to mate with females who resemble dogs, in particular that who has extremely curly, pubic hair on their head, otherwise known as a spaniel
"Hey mate I can't wait for tonight!'

"Yeah same I've got serious JSM, I get wait to grab a spaniel"

"Doctor I think i'm suffering from Jewish Spaniel Madness (JSM)"
by Ricardo.W December 19, 2011

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