Thumb Thuggin': Chief Keef Sends Twitter Threats About "Smacking The Isht" Out Of Katy Perry For Dissing His Music, "She Can S**k My D!#k!"

Keef just couldn't let it slide... Yesterday, Katy Perry used her 140 characters on Twitter to pop a shot at Chief Keef after hearing his song "Hate To Be Sober" on the radio. Took a while for the Chi-Town