מַמְזֵרmamzer meaning in Hebrew
sly rascal (said half-admiringly) · noun, masculine (f. מַמְזֵרָה, pl. מַמְזֵרִים)

A guy talks the parking attendant down to nothing and strolls off whistling. His friend watches the whole thing and says one word, half irritated, half impressed.
הוא הצליח להוציא ממנה הנחה של חמישים אחוז, איזה ממזר.
“He managed to get a fifty-percent discount out of her, what a sly dog.”
Think of someone who managed to talk their way out of a speeding ticket or negotiated an impossible discount.