The codename for a certain person that was stalked by a group called the Founders over an extensive period of time. He is known to have rather striped plumage, and is constantly accompanied by at least two or more Associates (also referred to as ducks). The Parrot is most famous by his constant absence of expression, which was often mocked by the Founders. Other nicknames include Cowboy and Watch Hill Lifeguard.
The act of resting your nut sack on another person's shoulders, ergo, your nuts resemble a "parrot". Throwing in a "yar" or "aye matey" only increases the effect.
John is chillin at a party mackin on some Bitch. Larry sneaks up and sets his balls on John's shoulders while yelling "avast ye whores!!". Hilarity ensues.