ion

Dude, you really ought to keep a better ion those things! - Matty Malaprop

It just makes so much sense that the felion would be the one with a positive charge. - Matty Malaprop

Punmaster Facinelli4ever says: "This is what happens when I draw the Nyan Cat during chemistry class, while reviewing for a test. 'Hmm... Nyan cat... cation... NYAN CAT-ION.'"

Meme as mnemonic device? Don't mind if I do! - Matty Malaprop