A completely useless creature that does nothing but cause nuisance and aggravation.
Originally coined in the US Navy by sailors tasked with washing decks clean of the massive amount of avian excrement created by sea birds that shit all over everything.
Has come to define any living creature, human or otherwise, that is without redeeming qualities.
Sailor: "I just got assigned to swab the fucking launchdeck... The goddamn shitbirds flew over last night and completely destroyed it."
From military slang and jargon. A term used to describe anything that is unacceptable or just downright shitass. Also a term of endearment for friends. See also: shitass
"Tweet tweet. Here comes the bird. The Shit-Bird!"
"Hey, shitbird, can you hand me that church key over there?"
"Shitbird! I can't beleive that I forgot my keys in the car."
"This thing is so shitbird. Who would design something to work like this."
An elected official such as Senator Ted Cruz (R-TX) who jets off to a Mexican beach resort while millions of his constituents suffer in sub freezing temperatures with no electricity, gas, or water.
During the extreme winter weather event of February 2022, Sen. Cruz jetted off to Cancun with his family for a warm beach retreat while millions of his constituents were literally freezing to death. Meanwhile his competitor for the seat, Beto O’Rourke ran a phone bank conducting welfare checks on vulnerable citizens. Ted Cruz is a shitbird.