To be on the receiving end of a relationship breakup just before a holiday one typically spends with loved ones, esp. Thanksgiving thru New Year's, Valentine's, or your birthday.
"What are you getting your girlfriend for Christmas this year?"
"Nothing. She holidumped me just before Thanksgiving."
Dude 1: I just took the most disgusting holidump - greasy, runny, chunky with sputters and it smelled like something died in there.
Dude 2: What the hell did you eat?!
Dude 1: Christmas duck, lasagna, and lobster chili.
To make up an imaginary holiday to take the day off from work; or, claiming to be another religion to get the day off from work.
Yeah, we can golf on Wednesdayafternoon. I holiduped my boss into thinking I needed the day off because it was Nation Day in Upper Volta and my family is from there.
I'm thinking of holiduping my boss so I can take all of Passover off and go to Florida.
when you're holding up your phone and making faces at it, as though you are taking a selfie, but you're really taking a picture of the person across from you or the wall or anything else that seems interesting but you don't want to be caught dead taking a picture of.
This action is often made more convincing by wiggling the eyebrows or opening the mouth, to pretend you're trying to get a Snapchat filter to work.