What is Ear Hustler?
1.
One who listens in on others without getting caught. A true ear hustler does not let everyone know that he has heard what he heard, and retains the information for future references.
Tammy, a true ear hustler, knew everything about everybody.
2.
ear hustler - someone who listens in on other peoples conversations.
Damn it Jimmie! Quit listening in on my phone conversation, you ear hustler!