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Use "threesomes" in a sentence
"PRO: Gets the “ball rolling” on the idea of threesomes with me and the new girl even though Soda Model has had many of them before, just not with me."
"But back to the orgy and the threesomes, which is why you probably started reading this post to begin with."
"As you've said to other people in similar situations, he's better off telling his girlfriend the truth and seeing if she's into the idea of threesomes or polyamory or what have you."