My personal favourite
Mnemonic for
Resistor Colour Codes is
similar:
# Colour --- Mnemonic
0 Black ---- Bad
1 Brown ---- Boys
2 Red ------ Rape
3 Orange --- Our
4 Yellow --- Young
5 Green ---- Girls
6 Blue ----- But
7 Violet --- Virgins
8 Grey ----- Go
9 White ---- Without
5% Gold ---- Get
10% Silver - Some
20% None --- Now
Clearly, I didn't learn this in school. School prefers things like "Bye Bye Rosie Off You Go (to) Birmingham Via Great Western". That isn't very memorable though...