The way in which a douchebag would go about introducing his/herself. Bragging about their meaningless accomplishments in an attempt to impress you.
Chris: Watch this, John's about to introdouche himself to Carol.
John (Speaking to Carol) : "Nice to meet you, John's the name. Nice rack. Think I met you one time at the bowling party. I won three times."
Carol: "Thanks for introdouching yourself."