PORT ST. LUCIE — It’s the darndest thing.

You change underwear, and somehow marijuana winds up in your groin.

What are the odds?

Something like that played out June 20 in Port St. Lucie, according to a police report.

A Port St. Lucie police officer about 11:20 p.m. spotted a “suspicious vehicle/parking violation” involving a Chevrolet Silverado in the 600 block of Southeast Majestic Terrace.

An officer smelled burned marijuana wafting from the vehicle.

Investigators say the passenger, 32-year-old Tyce Fields, had a violation of probation warrant and was taken into custody.

An officer reported extracting a bag of marijuana from Fields’s “groin area.”

“Tyce stated that he didn`t know the cannabis was on him because he recently changed underpants,” a report states.

It's unclear whether they were boxers or briefs, or to whom they belonged.

Fields, of Palm City, was arrested on charges including violation of probation and possession of less than 20 grams of marijuana.

Police say the vehicle driver, Joshua Hargrove, also had marijuana. Hargrove, 29, of Port St. Lucie, got a notice to appear in court.