To do something incredibly retarded.
To do something incredibly vile.
To do something incredibly dick-ish.
That guy eating paste is (Dickerson)ing.
Quit (Dickerson)ing those geese by giving them Alka-Seltzer.
A loud mouth know-it-all who is quick to criticize others harshly, blames his mistakes on others, and is oblivious to his limited mental capacities.
Lady 1: “Remember Eric? He was an awesome quarterback for state before he blew out his knee. Whatever happened to him?”
Lady 2: “He's selling used cars in Albuquerque. Really happy for the guy – he got so strung out on crack that he was working as a prostitute to support his addiction, his pimp named Sweet Micky, and two Pomeranian. He was in full Dickerson mode.”
Ben was at the bar claiming he served two tours in Iraq. Some college girls were impressed. Then a marine named Johnny called him on his shit. Mark said he's never seen anyone get so red so quick. Classic Dickerson.
Man 2: "YEEEEAH! Dick-'er-son! (Dickerson)"