Snoop Dogg vs. Young Buck 'Smoking Weed' Beef: G-Unit Rapper Fails 'Fake' Drug Test & Blames 'High' Friend, Now Facing Jail Time Again?

Rapper Young Buck learned the hard way - don't hang-out with Snoop Dogg if you're on probation.

The G-Unit emcee continues facing several legal issues. Back in August 2012, Buck began serving an 18-month prison sentence in Mississippi on weapon charges, and was later released in October 2013. He's underwent several mandatory drug tests ever since.

According to the popular gossip webloid TMZ, the Ca$hville Records hypeman has remained clean after providing 21 urine samples since November (2013). But Buck recently slipped-up, and apparently it's all Dogg's fault!

Lil Wayne's former hip-hop "enemy" was caught with his pants down - literally. An unidentified probation officier allegedly found Buck using a tube to shoot a "yellow substance" into his drug testing cup just last week. Obviously, he was trying to fake his own pee.

After the bust, Buck initially said he tampered with the sample because he inhaled secondhand smoke. But The Rehab emcee finally came clean, and admitted to lighting-up with the infamous West Coast pothead. Now, another judge must decide if Buck should serve more time behind bars for violating his probation.

Dogg hasn't mentioned anything on Instagram, but wonder if 50 Cent will now put him on total blast for getting his friend in trouble (again)?

Meanwhile, this latest screw-up won't bring Buck down. He remains focused while working in the studio (while he still has such freedom):

buckshotz: "PRESS #10 IF U READY TO #Flex WIT THESE #10Bricks COMING #May22!!!!! #GunitSouth #DopeBoyUniversity !!! #10Bullets MIXTAPE LINK IN MY BIO!!"

buckshotz: "IN DA STUDIO WRAPPING UP THESE #10Bricks!!!!! STREETS GONE EAT FRIDAY #May22!!!! STAY TUNED...COMING TO A HOOD NEAR U!!!!!! #GunitSouth #DopeBoyUniversity #10Bullets IN MY BIO!!!"

Apparently, keep an ear out for new stuff starting Friday (May 22).

Stay tuned as more details become available.

Do MstarsNews readers really think the "Gin and Juice" superstar is to blame for Buck's minor setback?