LONDON -- Winter is Chris Cassidy Archivesmost certainly coming, and no one is happier about this than Maisie Williams.

She's already dropped excitable hints on social media about Game of ThronesSeason 7, and now she's taken to expressing her glee by trolling her fellow co-stars with creative, White Walker-themed memes.

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On Tuesday afternoon, a fan tweeted the following picture at Williams.

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"Use this meme wisely" was the advice.

And use it wisely was exactly what Maisie did.

A throwaway joke? Or a secret insight into a key Season 7 plot point?

Only time will tell.

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