dis also diss 
/ˈdɪs/ verb
dis·ses; dissed; dis·sing /ˈdɪs/ verb [+ obj] US slang 1 : to treat (someone) with disrespect : to be rude to (someone)
▪ He got dissed [=insulted] by the other guys on the team. 2 : to criticize (something) in a way that shows disrespect
▪ Don't dis my car.
▪ He got dissed [=insulted] by the other guys on the team.
▪ Don't dis my car.
— dis also diss noun, plural disses [count]
▪ It's not a dis. [=not an insult]
▪ It's not a dis. [=not an insult]
