Strong's Definition
a primitive root; properly, apparently to be thick; figuratively, to be stupid
KJV Usage: be fat
STEPBible — Tyndale Abridged Hebrew Lexicon
טָפַשׁ (ta.phash) — be insensitive. (Qal) to be gross, be insensitive, be fat
UBS Dictionary of Biblical Hebrew
verb
Fat | verb qal
to be fat exact meaning unsure; possibly: = to be covered with a layer of fat; ≈ associated with slowness or lack of activity and, thus, dullness, insensitivity, and foolishness
UBS Dictionary of Biblical Hebrew © United Bible Societies, licensed CC BY-SA 4.0.
Brown-Driver-Briggs Hebrew Lexicon
טָפַשׁ vb. be gross—metaph. ψ 119:70 ref