The act in which a person places a rubber bung 2.4inches deep in their asshole at 12:00 am on December the 1st. The person then proceeds to glue or tape the bung in place. Then without breaking or removing the bung to prevent the release of faeces from the body. Then at midnight every day bring the bung out 0.1 inches every time until on Christmas Day or 25th December, take it out in which an oil like shit stream will be released like an oil filled dam.
Jared- Yo bro are you doing anything special this Christmas?
You- Yeah man i am participating in the annual Holiday Oil Dam
Jared- Your a weird guy you know?
You- Yeah man i am participating in the annual Holiday Oil Dam
Jared- Your a weird guy you know?
by Dinomax65 October 17, 2025
Get the Holiday Oil Dammug. by 147852369/*-+.0 September 16, 2025
Get the dammug. by Quoc Anh Bin November 21, 2021
Get the Dam-Trangmug. by Fllee68 February 13, 2020
Get the Beaver Dammug. When two guys bang in the back of a John boat. They position themselves in a way that makes it appear to others as if they’re about to “jump a beaver dam”
by Brokeback Canada March 28, 2022
Get the Jumping a beaver dammug. 
Did you hear jerry didn't wipe and just pulled up his pants? Formed a nasty dingle dingleberry dam that the hospital had to remove.
by Erikneil13 October 8, 2016
Get the dingleberry dammug.