by Thegaycummieboi May 6, 2018

When one waves hello or goodbye, the fat on their arm may appear to flap in a waving matter as well. Most commonly seen on obese people and mothers.
Soccer mom: "Have fun at soccer, Jimmy! I love you!"
Jimmy: "Okay mom, I love you too!"
Friends: "Man. Jimmy, your mom has some serious bye-bye arm."
Jimmy: "Okay mom, I love you too!"
Friends: "Man. Jimmy, your mom has some serious bye-bye arm."
by Nosredna Ekul August 4, 2009

Biff - "She's 90 days past due on this account"
George - "Give her 30 more days and then its bye bye birdie"
George - "Give her 30 more days and then its bye bye birdie"
by chrisking5150 December 3, 2010

the back of your upper arms that keep swinging after your doe waving good bye becuase they are so fat & n muscle is there
by Liz March 26, 2004

by steeeeeeeevin January 18, 2017

What you say when you don't want to see someone ever again because they controlling lieing bastards.
by ... Zjdbckdnznsjd September 6, 2019
