bitten by the (activity) bug
idiom
—used figuratively to describe someone as very interested in or excited about something
He was bitten by the travel bug.
bitten by the gambling bug.
Cite this Entry
“Bitten by the (activity) bug.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/bitten%20by%20the%20%28activity%29%20bug. Accessed 26 Nov. 2025.
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Merriam-Webster unabridged
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