Superlative form of throaty: most throaty.(adjective)
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Use "throatiest" in a sentence
"Fuck, I said in the lowest, throatiest voice I could muster."
""This is the woman," I purred in my throatiest voice, "who is going to make all of your dreams come true.""
"Chopsticks give perhaps the liveliest response (this is not recommended, of course, but there comes a time with every piece of machinery when you just have to see what it can do), but cantaloupe rinds make the richest, throatiest sound and result in less "down time.""