Dumb is a different way of saying stupid.
Thais is so dumb for saying that.
Someone calls things they don’t like gay/calls people who are gay or just not obnoxiously masculine “sus”, they are also most likely very loud and obnoxious, and just overall annoying to the people around them.
Obnoxious Person: Oh my god that’s so fricken gay!
Someone Who’s Not A Total Idiot: Would you shut your mouth, you sound so dumb. I’ve lost enough braincells the past year and half, I can literally not deal with your stupidity right now.
Obnoxious Person: Ayo, that’s kinda sus...
Someone Who’s Not A Total Idiot: AAAAAAAAAAAAAAAAAAAAAAAAAAAH
Half the definitions on this site. (probably including this one)
Wtf why do I need to know the definition of an Alabama hot pocket? These urban dictionary definitions are DUMB!