If I speak in rounds for a while letting my tongue swell
I'll be sure to try and explain myself to dispel
Blame it on the day
Blame it on the day

from Grizzly Bear – Speak In Rounds Lyrics on Rap Genius

Droste has to explain himself and ends up blaming the problem on something that, plausibly, can’t be the issue: daytime.

To speak in rounds could be shorthand for speaking in a roundabout manner, where you say something without really saying anything (thus causing Droste’s mouth to swell).

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