Urm, I used to......
I can't really remember it just came naturally to me at one stage, But like Lance i grew up and lazy so never got on a bike that often again.
Weird, On the ground i'd press down really hard then sping up and the bike would follow, Then i'd kinda push back in the air then foward again and slam down, then spring up again..... Etc
yeah well i can't do tricks, i just rode bikes for transportation purposes before and never had a bmx bike to do tricks, but now i got one so i'm trying stuff out...the only thing i can do so far is kiss a rail, and if i learn to bunny hop i'll be able to grind all the things i've been kissing, and it'll be hot