Top Definition
A softly padded helmet meant to keep those of less mental capacity free from self inflicted harm such as falling off ones high horse...Originally spelled 'wiffle-hat' in honor of the 'wiffle-ball-bat' it was later re-spelled to accommodate the constant mispronunciation by those adorned by said wifylhat.
Pronounced 'Wih-file-hat'.
Damn it's sure good little Zachary was wearing his wifylhat or that ping-pong ball may have hit the soft spot on his forehead!
by Mammygrahm October 11, 2011

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