Full Biden is the point when you are halfway between awake and asleep. Conversing at this particular time is most difficult as you dangle between the two worlds of dreaming and reality, trying to coherently articulate a proper sentence.
Babe, you were so tired last night you were talking about monkeys running around in the kitchen. Im pretty sure you went full biden on me.
by DDKNOFX January 30, 2022
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Full Biden, the complete loss of cognitive focus manifested by verbal gaffes, inappropriate gestures, self humiliation, emotional labilty, situational unawareness, confusion raising concerns about actual dementia
Last nite I drank so much I went “Full Biden” at that party and made a complete fool of myself.
by Ofashea September 13, 2021
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Severe impairment in intellectual ability equivalent to an IQ of 70 to 75 or below that is accompanied by significant limitations in social, practical, and conceptual skills (as in interpersonal communication, reasoning, or self-care) necessary for independent daily functioning .
"man did you see that guy just eat his own shit?! He went Full Biden".

"I almost forgot what I even had for fucking breakfast, went Full Biden there for a second".
by musicaltitties May 14, 2020
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