V-shape, V-shape, "V" shape

I think I'd use "V" shape and lazy "W," but t-shirt. T-shirt would only be different because it's a well known "thing" and that's how I recall seeing it used. Where's Chase? He'll probably know.

tko said:

V-shape, V-shape, "V" shape, shape in a "V."

T-shirt, t-shirt, tee-shirt.

In the shape of a lazy "W." Lazy-W. Lazy W.

By definition, you can't spell out a letter, so when you need to refer to one, do you capitalize it, put it in quotes, or ?

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If "shape" is a noun, then V is an adjective, so capitalize and no hyphen. Ex: "Its mouth had a V shape."

Capitalize V and use the hyphen if the combination is an adjective. Ex: "It had a V-shaped mouth."
**
A T-shirt is a shirt shaped like a T, not a t, so the T is capitalized.(Tee shirt is also acceptable. Ex: He wore a white tee shirt.)
**
Lazy W. No quotation marks needed. Ex: The river zigzagged like a lazy W.

Fruitbat said:

Where's Chase? He'll probably know.

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Harumph . . . yes. After extremely intense study, my very educated opinion is what Guttersquid said. All of it. Every word.

(My bill for consultation is in the mail)

Guttersquid is right, I believe. You hyphenate when you're forming a compound adjective, which is when it comes before the noun it modifies. So V-shaped mouth, but her mouth had a V shape, or was shaped like a V or whatever. Whether or not to use quotes in the last example might be a house style.

Here's some info for the T-shirt question, looks like all three are acceptable, but T-shirt is the most common.

http://grammarist.com/spelling/t-shirt-tee-shirt/

http://www.merriam-webster.com/dictionary/t-shirt

As for the V-shaped issue, looks like V-shaped is actually a word that's found in at least some dictionaries. Seems that it can be upper or lower case.

http://www.oxforddictionaries.com/us/definition/american_english/V-shaped
http://www.thefreedictionary.com/V-shaped
http://dictionary.cambridge.org/us/pronunciation/british/v-shaped
http://dictionary.reference.com/browse/v-shaped

It may come down to house style.