Top definition
An expression of disgruntlement used in retaliation to an idea suggested by a third party that you do not agree with, or as an exclamation. To be used either on its own, or as part of a sentence.

Originally formed as an alternative to in-office swearing.
"What do you think of the proposal?"

- I think it's a pile of jubbernuts

Following on from the dropping of a pot of tea:
"JUBBERNUTS!"
by Yamesh October 06, 2009
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