Chief Keef Arrested for Disorderly Conduct in Atlanta: Rapper Tweets 'Just Got Out of Jail, Mad as F#ck' Following Engagement to Video Vixen Pretty Mesha

Rapper Chief Keef was arrested in Atlanta on Monday (May 20) - again. The 17-year-old Brick Squad gangsta was booked for disorderly conduct... adding to his extensive list of run-ins with the law. Early Tuesday morning, Keef tweeted - "Jus got out Of Dekalb County jail In Atlanta mad as f#ck." This arrest comes on the heels of Keef's recent engagement to sexy music video vixen Pretty Mesha. Wonder what the rapper's young fiancee must think of Keef's rebellious attitude?

TMZ reports that Chief Keef was arrested in DeKalb County, Georgia for disorderly conduct on Monday. The rap protege (real name, Keith Cozart) was listed at 5'9" and 160 lbs. Following his arrest, Keef tweeted:

@ChiefKeef: "Jus Got Out Of Dekalb County jail In Atlanta Mad As fuck."

Keef (who's rapped alongside big-names including 50 Cent and Wiz Khalifa) has a not-so-friendly relationship with the cops. Back in January, Keef was taken into custody for a probation violation involving a firearm. The rapper was sentenced to two months in a juvenile detention facility and ultimately deemed a ward of the state. Keef was released on March 14... and just weeks later he allegedly proposed to his girlfriend, Pretty Mesha. The duo confirmed that they were a couple on Instagram, and both recently re-tweeted a report by MediaTakeOut claiming that they were engaged. Mesha was then spotted flaunting one sparkly diamond ring:

Details surrounding Chief Keef's recent disorderly conduct arrest still remain unknown.

UPDATE: TMZ confirms that the arrest involved marijuana. According to the police report, Keef was busted for allegedly smoking weed at a fancy hotel.