to bust on a sandcastle
originated from the native americans
a form of entertainment if the sandcastle falls you automatically win
I 103d on that shit at the beach the other day
Said when two people say the same sentence simultaneously.
If then one says 103 and the other cannot speak until someone calls him/her by name.
At least that's how it's used in Hungarian.
A: That guy is handsome.
B: Aww how cute!