Define Jst Guys Meaning

JST Guys
JST guys / JST party
Japan-Standard-Timely company of people;

could catch you in the middle of weary panties only sit., esp. still-on time of preparty or Long Acting medication time.

BTW: On the slips of Takkyubin (🏓Japanese delivery service) you should check boxes to designate desired hour of delivery.

PingPong! (Japanese door chime sounds)
Jhon "Who the heck is that?"
Jane "OMG, i forgot we are in Tokyo, JST Guys arrived!"
Upstairs:
Son of Abikos "Gee, JST party in my pants!"
By Andria