Meanings
adjectiveback-of-a-fag-packet (not comparable)
- UKnot comparableslangSynonym of back-of-the-envelope.
[…] back-of-a-fag-packet calculations concur: the areas of the Maltepe and Yenikapı parade grounds are roughly similar […]
2019, Hannah Lucinda Smith, Erdogan Rising: The Battle for the Soul of TurkeySynonyms: back-of-the-envelope
Synonyms & antonyms
adjectiveSynonym of back-of-the-envelope.
Similar
Origin
See fag (“cigarette”).
Full word history & related roots →Cite this entry
APA
back-of-a-fag-packet. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/back-of-a-fag-packet
MLA
“back-of-a-fag-packet.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/back-of-a-fag-packet. Accessed November 5, 2026.
Chicago
WatkinsX Dictionary, s.v. “back-of-a-fag-packet,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/back-of-a-fag-packet.
Source: back-of-a-fag-packet on Wiktionary, CC BY-SA 4.0.