look up any word, like thot:

1 definition by Zman110

 
1.
Blum is the mixture of Blood and semen to form a balance of 75% blood and 25% semen. When in this form it is known as Blum. This mixture originated as the left river of the two separated by the snake.
"Mom i was masterbating and i blumed!"
"Ewwww! Look at all the blum!"
by Zman110 August 16, 2011