Dumpback Whale

The act of exsposing ones naked rear end while swimming, as a whale would flip it's tail in the air before diving.

We spotted a dude pulling off a dumpback whale at the pool today.

by Hedwund April 9, 2010

Dump Sack

When a man successfully inserts his entire ball sack into another persons ass.

We spent a lovely evening at home with a box of wine and dump sacking.

I just dump sacked your mom.

by CSTX333 May 30, 2020

Dump Sack

When you have a sac of white and you are about to dump it on the table ferda boys

Tony :Aye what y’all getting into tonight??

Dumpsack jr. : we about to dump sack

by Dumpsack111 November 26, 2021

Dump Sack

When the boys are tryna link up to play Rainbow Six: Siege.

Yo are we dumping sack tonight?

What time can y’all dump sack later?

I’m about to dump sack, be on in 5.

by ggmoney1498 April 5, 2023

Dump Sack

A rotten dirty excuse for a vagina literally your last resort but definitely one you keep a secret and wear 10 rubbers but enjoy every second of its nasty glory

Omg did you say Jason smashing that snaggletoothsauruses dump sack I bet his dick is gonna fall off

by The cocksman nate the great July 30, 2018

Dumbsack

Someone who Is a dumbsack is someone annoys people to act dumb

Yo that weird kid at school is a dumbsack

by I’m a nerd March 1, 2020

Dump Sack

A term originated at Rowan University in 2023 that serves as an undercover reference of dumping a bag of cocaine and consuming it.

“Yo bro you tryna go to spos room and dump sack?”
“yeah bro i’m craving that precious bag we love and crave”

by MC liwis June 27, 2024