Champ had been trying to expose how far officers would go to silence any subversion, and was rewarded by swiftly being detained.
"They dragged me away. They slapped my head. They just kept punching me until they were sure that I couldn't escape ... In the end they just made a fool of themselves."
Champ was taken to an army facility where he was interrogated and told he was a 'betrayer' of the country.
So what are some other seemingly harmless acts that could land you behind bars?
For 40-year-old Patnaree Chankij, it was typing a single word on Facebook. The widow faces up to 15 years in jail for typing "ja" (which means "yeah" or "I see") in response to a private, anti-monarchist message.
And never, ever insult the king's dog. Thanakorn Siripaiboon was charged after making a "sarcastic" comment online about King Bhumipol Aduladej's canine companion.
He faced a whopping 37 years behind bars for the offence, which occurred in December and allegedly included "defamatory" comments against the king himself.
He has since been granted bail after being detained for nearly 90 days.
"I never imagined they would use the law for the royal dog," Anon Numpa, Mr Thanakorn's lawyer, told The New York Times. "It's nonsense."
Ridiculously, the case was deemed "too sensitive" for locals to even read about at the time, with the paper blanking out the spot where the article would have appeared after the local printer refused to publish it.
Another big no-no in Thailand? Raising three fingers - which comes from the Hunger Games movies and is an anti-tyranny salute.
