I managed to pull a proper wheelie on a Grifter once, and get one complete pedal turn in. Got a round of applause for that! (all my mates had Mongoose and Diamondback BMXes by then)
I swear the crack in the pavement is still there from when the wheel landed again.
We set up a massive ramp in the woods once too. Big run in, big air, and it’d set off all the local quake detectors on landing. Totally bent the fork steerer too, and the head tube was oval.
friend* had a chopper though. Still had stabilisers on both sides when he was 9-10 years old. Was a right laugh playing “follow the leader”… ride thru a puddle on a Grifter, and then he’d get stranded, peddalling away getting nowhere. (* think our version of roland browning)