What you observingly remark when someone yawns extra-wide; this of course makes the person laugh and "messes up" their perfectly-good yawn.
Saying, "Nice tonsils" is also an excellent way to benignly rebuke the sleepy/bored person by humorously informing him that it is considered rude/invasive to yawn right in someone else's face.
by QuacksO December 29, 2018
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