1 definition by totallynotaposer

When a guy hasn't jacked off in a really long time, so he has two "hand grenades" in his pants. He uses his hand to 'pull the pin,' and the Hand Grenades explode, ejecting 'shrapnel.'
Dude, I didn't jack off for like a week, and when I pulled the pin last night, my Hand Grenades EXPLODED!!!!!
by totallynotaposer August 30, 2016
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