Brotherfucking

adj

adj ·Rare ·Advanced level

Definitions

Adjective
  1. 1
    Having sex with one's brother. not-comparable, vulgar
  2. 2
    Synonym of motherfucking (intensifier) not-comparable, vulgar

Synonyms

All synonyms
motherfucking

Etymology

From brother + fucking.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.