We sat around and talked for hours about...stuff. Watched movies. Broke into playgrounds after-hours. Gently terrorized the waitstaff at Denny's (I tried to leave apology tips).
"what did teens do before social media!"
My group mostly got drunk, high, smashed random things up, caused a nuisance in Tesco, loitered around car parks and set fire to our hands. Pretty sure parents don't want their kids to be doing that too