Did you by any chance mean beta?
- v. transitive To strip of a tag or tags; to remove the tags from.
- de- + tag (Wiktionary)
“Of course, if you choose to leave your Facebook privacy settings wide open, if you choose to befriend someone you only met once on holiday to Magaluf, and if you then compound the error by posting or failing to detag a photograph of yourself in a compromised state with a vodka luge, then there might be certain drawbacks.”
“You detag pictures of yourself together, and in some instances you might even DEFRIEND him (this is intense, although I did once have a boy block me entirely, mostly because he was unstable.)”
“But the service does offer a range of protections and controls including the option to detag locations, notifications if friends add your location and the option to disable Places entirely.”
“Athletes and other students concerned about their image have also learned to quickly troll Facebook after incriminating parties, seeking tagged photos of themselves that they, of course, detag.”
“He didn't manage to detag the Elephants pic before stealing it.”
These user-created lists contain the word ‘detag’.
Looking for tweets for detag.