The act of holding a bottle or container directly at the tip of one's penis, while stroking the base of the penis with the other hand before (and during) ejaculation. This maneuver is commonly used to gather seaman in a sparing manner.
We used to hate that kid back in college, I was always steam-hosing into his shampoo bottle.
My beer tastes funny.
Yeah, that's 'cause I steam-hosed it.