Anti-social

Anti-social behavior is fertile ground for humor. In America, where sexual expression was for long repressed, sex jokes abound. When Clifford Geertz asked a young Balinese man the funniest thing he could think of, the answer was "A younger being rude to his older brother."

Source: tatoeba (2047504)

I used to be anti-social but now I like meeting new people.

Source: tatoeba (9617285)

Gunter gave off some anti-social tendencies.

Source: tatoeba (11632117)

Paradoxically, much of what is sometimes called social media is essentially and profoundly anti-social.

Source: tatoeba (12213868)