I never would've thought that
Feelings could get thrown in the air
Cause I accidentally caught that

from Tyler The Creator (Ft. Pharrell Williams) – IFHY Lyrics on Rap Genius

Meaning

Tyler often claims that he, “doesn’t give any Fsss” and always has that bold, uncaring, attitude to him, but he seems to have caught feelings for for this girl; i.e, he fell in love. So, it’s a nice change of pace.

Notice the wordplay with “feelings thrown” and “I caught that” (throw/catch)

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