Flum (noun):
/flum/
A slang term describing the intense, annd addictive sensation of ejaculates after frequent or excessive amount of sex. Flum is marked by a unique combo of pressure and a deep, pleasurable fire burn caused by overuse, but somehow making it feel even better. It's that "so much it hurts, but in the best way".
Flumming refers to the act of intense and rapid penile masturbation. The behavior is characterized by maximal physical exertion and stimulation over a short duration, often culminating in ejaculation accompanied by a distinctive burning or “flaming” sensation in the genital region. Despite the discomfort implied by the burning, the sensation is typically perceived as intensely pleasurable and may enhance the overall orgasmic experience. The term is derived from the fusion of flame and cumming, symbolizing the metaphorical “ignition” or euphoric heat experienced during climax