A derogatory term, short for buttnugget, for those who like to abreve things.
"Gah, Eric, quit being such a buttnug!"
by Laoorah September 2, 2006
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The act of inserting nugs of marijuana into one's anus in an attempt to amplify the drug's euphoric effect.
Jim: Hey man, I need to get real high real fast. Wanna spread my cheeks so I can start buttnugging the fuck out of this dank kush?

Tom: No, Jim. I would not like to do that.
by Jorsh68 December 30, 2016
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