Li Cm Y

The symbol for the element Lithium(Li), Curium(Cm) and Yttrium(Y) in Chemistry. It is used by Phineas from 'Phineas and Ferb' to outsmart Dr. Doofensmirt (nigga I don't know how to spell this nigga's name).

Phineas: Hey i think you need Lithium, Curium, Yttrium...
Dr Doofensmirt: What the fuck is that bro?
Phineas: Li Cm Y (lick my) balls nigga!!