Where does “shatting on one's uppers” come from?

shatting on one's uppers (English) comes from English shitting, from English -ing, from Old English -ing, from Old English -tūn, from Old English tūn, from Proto-West Germanic tūn, from Proto-Germanic tūną, from Gaulish dunum — smoke; mist, haze.

shatting on one's uppers (English): Completely out of money; broke

Definitions

  1. Completely out of money; broke

Ancestry of “shatting on one's uppers”, step by step

shatting on one's uppers traces back through two separate lines of ancestry.

via English shitting

StepLanguageWordMeaning
1EnglishshittingThe act of defecating; faeces; present participle...
2English-ingUsed to form gerunds, a type of verbal nouns,...
3Old English-ingForming nouns from verbs, indicating action,...
4Old English-tūnhomestead, village, town
5Old Englishtūnenclosure, yard; place; dwelling
6Proto-West Germanictūnfence
7Proto-Germanictūnąfence; enclosure
8Gaulishdunumfort; hill, hillfort
9Proto-Celticdūnomstronghold, rampart
10Proto-Indo-Europeandʰewh₂-smoke; mist, haze

via English uppers

StepLanguageWordMeaning
1Englishuppersplural of upper; The parts of a pair of shoes...
Every word from Proto-Indo-European dʰewh₂-Every word from Proto-Celtic dūnomEvery word from English -ing