If a guy tells me he's hanging out in his boxers with his friends, is he flirting?

Is that flirting? If he's telling me he and his friends are playing a game and he's in his boxers? Is he trying to have me imagine him half naked? Or is he just being awkward? What is he doing by telling me this? ha ha anything, nothing?
If a guy tells me he's hanging out in his boxers with his friends, is he flirting?
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