1.a man who is behaving badly or acting more rude, immature, insensitive, jerky, or anal than usual. deemed eligible for a major bitchslap.
*also known as a douchetard.*
2.counterpart to the female 'dis' cuntcake.
3. a man who is practicing poor personal hygeine for no apparent reason to the point it may result in a "dingleberry of the dick"
"god, it must be his 'time of the month. he is acting like a total fucking dicknugget today"
"hey dicknugget! put down the video game control... get your lazy ass off the couch and fucking take a shower. your damn taint is starting to smell!!"