The R&B star, who coined YOLO" (an update to the more traditional "you only live once" for the smartphone touchscreen generation), posted a photo from Walgreens of a stack of YOLO hats and one from Macy's with a YOLO t-shirt to his Instagram, complete with a warning.
"Walgreens... you gotta either chill or cut the checque."
"Macy's... same goes for you."
A search for YOLO in the U.S. Patent and Trademark database brings up 81 records.
The song, "The Motto," recorded with Lil' Wayne, includes the lyric, "You only live once: that's the motto, n***a, YOLO."