shit on (someone or something)(redirected from shit on him)
shit on (someone or something)
vulgar slang To give someone harsh, dismissive, and undeserved criticism. I know you're stressed about the wedding, but can you please stop shitting on me? I didn't intentionally bring the wrong box of decorations! If she's just going to shit on my ideas like that, then I don't see any reason to participate any longer.
Treat with malice or disrespect, as in I'm tired of all these administrators shitting on me every time I want to try something new . This usage is vulgar slang.