Tā mà rén yòng le hěn nán tīng de huà, bāokuò zhège zì.
He used very offensive language when cursing, including this word.
Tips
register
婊 is vulgar and offensive. It most commonly appears in the compound 婊子 (prostitute/whore) or slang phrases. Avoid in formal contexts. The character alone is rarely used in polite speech.