Meanings
- uncountableASoIaF/GOT fandom slangSynonym of The Bang That Was Promised.
I can’t wait to see the new book mostly because of oathsex.
2021 May 3, Юнкер (@eve_yulia), Twitter2 more examples
I was all for OATHSEX but now I just want her [Brienne] to go north with tormund and ghost and make giant babies
2019 May 6, __angie, RedditI was giddy the day before, expecting the world of oathsex, I was buzzing the whole day... then we get the wind punched out of us.
2019 June 18, WeirdImprovement, RedditSynonyms: TBTWP, The Bang That Was Promised
Synonyms & antonyms
nounSynonym of The Bang That Was Promised.
Origin
Compound of oath + sex. Coined with reference to the vow Brienne of Tarth and Jaime Lannister made to Catelyn Stark to find her daughters.
Full word history & related roots →Cite this entry
oathsex. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/oathsex
“oathsex.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/oathsex. Accessed November 4, 2026.
WatkinsX Dictionary, s.v. “oathsex,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/oathsex.
Source: oathsex on Wiktionary, CC BY-SA 4.0.