When the firebox door of a steam locomotive is opened in a tunnel, with the blower on. The action of opening the firebox creates negative pressure in the cab, thus forcing the contents of the firebox into the cab (coal, fire, etc) usually resulting in the deaths of the crew.
by ShitDemon01 December 30, 2020
Get the Fatal blowbackmug. by Ephandel October 2, 2022
Get the fatal kissmug. by EmJayee November 8, 2018
Get the fatal cradlemug. by Franciscowho June 2, 2017
Get the fatal terminologymug. by Bob Ravenscroft August 1, 2008
Get the fatal lockdownmug. the smallest nugget of shit that floats in the toilet bowl. commonly seen in people with a low fiber diet
jacob: yo for some reason when i poop only Fatal Ks!
Doctor: Oh no! Listen to some good music and it should clear you right up
Doctor: Oh no! Listen to some good music and it should clear you right up
by nardy w October 11, 2022
Get the fatal kmug. by Unlikely listener March 3, 2021
Get the Fatalmug.