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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When a person finds out their other has been unfaithful, not just sexual others but also friend others/family others,and now this makes ..
1.
Sexual act involving two men and one woman. One guy in her mouth, one guy from behind. This makes the woman look like a rotisserie chick..
