Comination of donk
. Usually used in poker, it is primarily aimed to give added emphasis to the degree of how inept a player's skill set is. Likewise, it can also be expanded to the realm of daily life to critique whenever a person does something that, for lack of a better phrase, is utterly and completely stupid.
For Poker: Wow, four people push all-in preflop in a $75 tourney and he called with 2 3 offsuit? What a donktard.
For life: She drove off from the pump with the nozzle still in the car and the fuel cap on her hood? What a donktard.