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1.
One with extra flub( fatness) on his or her body. Also used in nicknames Flubby and flubbs. Also referenced in the song Flubalicious.
Billy: What is wrong with you, you flubbernugget?
Joe: I just have extra flubbyness today.
by Ryan21234 September 05, 2007
 
2.
1. the flabby/dangly part of a mans scrotum.
2. the very delicious meat of the nugget of chicken
3. a donkey's penis
1. Nice flubber nugget!
2. Mmm! This flubber nugget is delicious!
3. Ew! look at his flubber nugget!
by peckermom June 15, 2011
 
3.
It is another way of saying crap or darn or any other word used to express anger or frustration
what the? .... urgh FLUBBERNUGGETS!
by Emilehhhhh January 15, 2009
 
4.
1. Similar to a muffin top where a woman's love handles are somewhat defined when wearing tight shirts.
2. A substitution for the worst curse words.
Man, that lady needs to cover up that flubbernugget!

Oh, flubbernugget, I left my math homework at home!!
by Ale4lyf2 January 01, 2011
 
5.
1. nickname of a song made up by saxaphone players from norwin
2. can be used as a statement of unsureness.
3. greeting (of friends that know this word)
1. BAND TEACHER: lets all get out juggernaut and play it.
ME AND FRIEND: (randomly) FLUBBERNUGGET!
BAND TEACHER: what?!
ME AND FRIEND: FLUBBERNUGGET!
WHOLE CLASS: (laughs)
2. WHAT THE FLUBBERNUGGET!
3. YOU: Flubbernugget!
FRIEND: Flubbernugget!
by Sara (a.k.a.) Steele June 22, 2005