Jaccamass
Essentially a jackass, another instance of black people taking a normal word and making it impossible for any white person to understand, comprehend, or say.
Jamal: Yo man I picked up that gram you wanted.
LeSean: Damn you Jaccamass I told you a fukn eighth!
Jamal: Awwww Damn son.
LeSean: Damn you Jaccamass I told you a fukn eighth!
Jamal: Awwww Damn son.