shit on someone

shit on (someone or something)

vulgar slang To harshly or excessively criticize someone or something. 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.
See also: on, shit

shit on someone

1. in. to defecate on someone. (Usually objectionable.) Watch out! That cow almost shit on you!
2. tv. to treat someone very badly. (Usually objectionable.) The prof shit on the whole class by assigning a paper due Monday morning.
See also: on, shit, someone