A phenomenon synonymous with one upping, with the added need to immediately explain a story of oneself in which he/ she was right.
Hornbacking:

To one up, to qualify ones feeling with an explanation of self righteousness and betterness.
by Sully2 February 08, 2019
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fag who likes to poke other men in the ass
joe likes to hornback other men
by dmhunter August 02, 2008
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