Do you know anything about cosmetics? I was thinking of going to the store and buying some makeup.
A thing or two.  What are you looking to get?   Maybe something for your face or hair?
Well I think I need some mascara and possibly some foundation. I really don't know anything about cosmetics.
Mascara
Mascara is a cosmetic commonly used to enhance the eyelashes. It may darken, thicken, lengthen, and/or define the eyelashes. Normally in one of three forms—liquid, powder, or cream—the modern mascara product has various formulas; however, most contain the same basic components of pigments, oils, waxes, and preservatives. The most common form of mascara is a liquid in a tube.
Definition.
The "Collins English Dictionary" defines "mascara" as "a cosmetic substance for darkening
thing about being a 17-year-old songwriter is that you're embarrassed - you're never going to write a song saying, 'These are my feelings, I love you.' So I was trying to find some semi-veiled language that conveyed something to somebody somehow but which didn't really say anything up front. It's a slightly naïve song, a little obscure. I don't even know what it means." Thompson added: "I had to sing it at my own mother's funeral. It