All that gun-toting and flexin on social media done caught up to Soulja Boy. The rapper was arrested for violating his probation after cops found guns in his home. Via TMZ: Law enforcement sources tell TMZ they paid a visit to Soulja's Hollywood Hills home Thursday on a tip Soulja had been threatening people online with guns. Cops showed up, searched

his house and we're told they found a gun inside ... so Soulja was arrested. You'll recall ... Soulja's on probation right now for his loaded gun case from a couple years ago ... and he's not allowed to have any weapons on him. As we reported...Soulja's made numerous threats to people on social media lately. The story is developing...