This is the result of masturbating too much. Your dick will become chafed and will bleed.
I heard that loser in our third period class is so lonely he did the Grandpappy smash.
by VMC22189 September 16, 2006
5 Words related to Grand Pappy Smash
Top Definition
To beat your meat so hardcore that it starts to chafe and bleed.
Ouch!! Ouch!! Ouch!! OH YES!!
by Da Man July 16, 2004

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