A man that has an above average size of penis is very kind but not to be taking for a fool they are also strong alpha males not to be looked at the wrong way
Dirty Gareth battered the shit out of someone who looked at him the wrong way then later went hom to be an alpha male pleasuring his lady.
by Ninjalad March 29, 2020
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Not to be confused with a ‘dirty Garfield’, there is no pussy involved with a Dirty Gareth. The Dirty Gareth defines the mutual destruction of two male anuses, specifically describing the act of anal fisting between two similar looking Middle Aged Caucasian men.
See them two men at bar, that’ll be a Dirty Gareth tonight.
by Bazza66998 February 26, 2019
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The act pulling out your 12 inch schlong and using it as a propeller to commit a terrorist attack
Them: “Yo did you see the local preschool burnt down?”.

You: “Ye, someone committed dirty girthy Gareth
by cjiblue December 12, 2022
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