When four dudes circle jerk over different ideas and never result in final consensus.
There goes Tony, Lang, Don, and Nino cumstacking over what the next move is.
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Use of ancient wisdom, herbs, chemicals, any means necessary to build monstrous quantities of ejaculate ( cum ) to blam all up in, or spackle onto, a partner.
I was cumstacking for a week and when I spackled my gift on her, she wept in gratitude.
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Putting on and jerking off into someone else's used condoms.
Kalvin took his roommates used condom and started a cumstacking chain by putting it on himself and jerking off into it for the next person.
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When people talk/debate extensively without an end decision and/or action, for example Tony, Nino, and Buddha...however it's not the same without Donnie.
Donnie used to cumstack, Sadge.
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when your 6 month old stanky crust filled abomination is so hard it stands up like a stack... filled with cum of course.
Wow John, you've spent so much time masturbating that computer's basically a cumstack
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