Meanings
interjection
- slangA sarcastic assertion that something that has not been satisfactorily explained by science is therefore evidence of extraterrestrial life on Earth.
Origin
From alien + did + it, modelled after goddidit.
Full word history & related roots →Cite this entry
APA
aliensdidit. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/aliensdidit
MLA
“aliensdidit.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/aliensdidit. Accessed November 2, 2026.
Chicago
WatkinsX Dictionary, s.v. “aliensdidit,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/aliensdidit.
Source: aliensdidit on Wiktionary, CC BY-SA 4.0.