Kylie Jenner 's carrying Tyga around in more ways than one ... check out the ankle.
The lip and booty queen got the tattoo last month -- courtesy of celebrity tattoo artist Rafael Valdez -- but only now it's noticeable after a quick touch up. Check it out ... it's a lower case T, for Tyga, of course.
T on her ass woulda been fitting, but that's been covered.