to be full of things not true; denying;
He was undeniful when he said we was with his friends.
by Monique Weaver December 28, 2007
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When you refuse to English and in stead just kind of agree in an ungrammatical fashion.
Joseph: "Dude, Did you hit your head or something?? Are you okay??"

Todd: "Undeniably yes."
Joseph: "o-kay..."
by S1lv3rP4w3dC4t June 4, 2023
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the art of being so in love you are unable to deny the practice of sexual intercourse.
kylie: um chloe do you think at this point jen and landon are just having undeniable sex?
chloe: for sure, they don’t even enjoy it
by camixstylinson June 13, 2021
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