メス豚 (めすぶた, mesubuta) Japanese meaning: female pig | KotomoraCalling a woman a 'mesubuta' online is unacceptable.
Written forms
メス豚
Common mixed kanji-katakana spelling; especially used for the derogatory sense.
雌豚Usage67%
Standard kanji spelling for 'female pig'; less common for the derogatory sense.
牝豚Usage33%
search-only kanji form
Search-only kanji form; 牝 is an uncommon character for 'female'.
Etymology
Compound of メス (female) and 豚 (pig). The derogatory sense is a metaphorical extension comparing a woman to a sow.