A person of Jewish descent who acts black.
Person 1: Did you see that Jerod wore Timberlands to his Bar Mitsvah.
Person 2: Jerod is such a Jewgaboo.
Pronounced - (joo' guh boo)
Noun - A Jew that acts like a jiggaboo. This is a Jewish wigger.
Guy #1 - That dude over there sure acts black.
Guy #2 - Yeah, Jaime is acting straight jewgaboo!