Talk about Black on Black Crime in the Community and you quickly get Psssh.

Blacks in America have made some great strides in some cases. In other cases we have a ways to go. In 2015 have Black people stayed asleep when it comes to addressing Black on Black crimes in our community. Join us tonight as we create a dialogue with this topic. Stand up and let your voice be heard. There are thousands of law-abiding inner-city blacks who live by bourgeois values and who need protection from criminals. Only the police are willing to provide that protection. Their mantra could be “black lives matter.” The 200 or so reported killings of blacks by police officers — nearly all justified — pale in comparison to the 6,000 or so killings of blacks by other blacks.

Urban Dictionary defines Psssh:

Psssh essentially the word 'psssh' means... 

-the simple sound that i am making with my mouth is much better than everything you just said. 
-can also mean, 'i don't care' or -'you are full of shit' or -used to express amusement  
it is a word that reduces the worth of any previos speech, elevating itself to a higher level of conversation, language and vocabulary. 
it is frankly, the ultimate word; where is the work i asked you to do? -psssh!; did you see that goal? it was amazing! -psssh!; isn't that the guy with loads of STDs? -psssh! 
i drink loads of alcohol, i bet i drink more than you do! -psssh!; i bet im better than you at....... -psssh!; personaly i believe that the christian faith...... -psssh!