Definition of bad egg
- He was dishonest, but he was the only bad egg in the group.
: failing to reach an acceptable standard : poor
: not fresh : spoiled
: something that is bad
: an evil or unhappy state
: the hard-shelled reproductive body produced by a bird and especially by the common domestic chicken
: an animal reproductive body consisting of an ovum together with its nutritive and protective envelopes and having the capacity to develop into a new individual capable of independent existence
: to incite to action
: to cover with egg
: to pelt with eggs
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