The story
From snapper + head, possibly a reference to the appearance of snapper's heads frequently used as bait.
Etymology from Wiktionary, CC BY-SA 4.0.
Today it means: a dumbbell; a knucklehead. Full definition →
From snapper + head, possibly a reference to the appearance of snapper's heads frequently used as bait.
Etymology from Wiktionary, CC BY-SA 4.0.