Weston Gosa Arrested -- '16 & Pregnant' Baby Daddy Busted for DUI -- Mug Shot's a SNOOZE

"16 & Pregnant" baby daddy Weston Gosa -- father of Whitney Purvis' kid -- was arrested for DUI in Georgia yesterday ... after allegedly crashing his car ... but the real reason we're posting this story ... dude's mug shot is legendary.

According to the Floyd County Police Department, 23-year-old Gosa smashed his car, and was placed under arrest when cops decided he had been driving under the influence. Police say Gosa was under the influence of prescription drugs at the time of his arrest.

Police also say Gosa was in possession of Xanax and Lorcet without a prescription, as well as a pipe with some kind of residue in it.

Gosa has been charged with felony possession of controlled substances, misdemeanor possession of drug-related objects, and DUI.

He's still in custody. He may or may not be aware of this.