Definition of "headdesk" [headdesk]

• An expression of frustration or irritated disbelief, from the tendency of annoyed or irritated people to want to repeatedly bang their heads against their desk. (interjection)
• To bang one's head repeatedly against the desk in frustration (verb)

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• "I think my favourite typo of this sort is someone who wrote "I concord" to show their agreement * headdesk*"
• "Unfortunately, the three hours of sleep + insufficient nap + two high-activity days in a row meant I abruptly lost my spoons at, I kid you not, 9. * headdesk* Fortunately, party date feste_sylvain was totally understanding, and the party was kinda getting too crowded to breathe anyway, so he took me home; I think I was sleep by 10: 15."
• "Being a librarian, I know that these stories come for a series of books that reaches back beyond the point where Sam being a werewolf would be a: headdesk: cliche, but still ..."