Top Definition
robert downey jr

An insult referring to someone with down syndrome.

Other acceptable variants are calling someone:

Iron Man
Sherlock Holmes

Tony Stark
Tropic Thunder
Justin's got Robert Downy Jr Syndrome
by L8th July 20, 2010

Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from We'll never spam you.