When Scotty and Kat are interviewing the tattoo artist who painted the psychedelic spaceship on the side of a van, he says he only knew the van's client by the nickname "Boston". This was referring to the 1970's rock band Boston, which had an iconic flying saucer in the same style as the van spaceship on its album cover.
Missy learning how to "shoot the moon" was a common roller skating trick at roller discos. It usually involves squatting down and leaning forward to slide faster, giving the appearance of quickly speeding like a shooting star. It was popular mostly with older teenagers in the 1970's and 1980's.