Top Definition
To register disapproval of a definition in the UD by clicking on the icon of the thumb facing downwards.
Woofie was despondent when she found that several of her definitons had received a thumb me down. She had been so happy when she had earlier received a clutch of thumb me up!s. She resolved to never define a word again.........................
by w00fdawg September 07, 2005
2 Words related to thumb me down

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