What is Helsinki Hand Grenade?
1.
when someone is fingering someone elses ass hole and inserts their entire fist and then spreads it out, causing the other person to feel like something exploded inside them like a hand grenade.
That girl made me mad last night so i gave her the helsinki hand grenade.
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Random Words:
1.
A relationship in which one or both members are in for the sex and will leave each other soon after they bang for the first and only tim..
