noun
kissing in public; PDA kissing
Slang term for kissing in public, especially on the street or in other open places. Often carries a slightly playful or disapproving tone.
カップルが駅前で路チューしてて、ちょっと恥ずかしかった。
A couple was kissing in public in front of the station, and it was a bit embarrassing.
路チューは周りの人の迷惑になることもある。
Kissing in public can sometimes bother people around you.