The Coca Nut Cowboy is an NPC is Stick RPG 2. He can be found at near Cozy Condo and Mobster Tower during night time. He can be seen smoking & standing in the nearby benches
Upon clicking the NPC, he will say the line "Hey I'm the Coca Nut Boy got somethin' for me?"
If you purchase coca and give it to him, you're karma will decrease and your charm increase. Upon the 3rd/4th visit, he will gift you the Mobius Strip and you will lose 40 karma. After this, he will permanently disappear from the game.