1 definition by hecknawman

Realizing something when it happens, and your first instinct to comment when someone does something horribly screwed up.
Example 1: "I stole all your taxpayer dollars." "OH HECK NAW!"
Example 2: "GYAT! You lookin fine!" "OH HECK NAW MAN!"
by hecknawman September 26, 2023
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