Cumming with one stroke in one fluid motion, like a samurai unsheating his sword.
"Many People beat their meat, only a few people defeat it" - Sun Tzu
"John mastered the deathstroke, he must have been a samurai in an earlier life".
A handjob gone wrong when someone squeezes the penis way too hard and yanks on the skin.
Bro I am in so much pain right now.
Why?
My girl gave me a deathstroke last night