mamzer is slang fo 'bastard'
"Josh, you are such a mamzer."
by Chandler December 10, 2003
One who is sneeky. English transliteration of the yiddish word.
Alex had a TV in which the image had burned in. He modified the date of the receipt so that the TV would be in warranty. This way it could be repaired free of charge. Alex is such a mamzer!
by enk21 January 26, 2009