The story
First use appears c. 2012. Blend of summer + Halloween. Originally coined in the animated TV series Gravity Falls.
Etymology from Wiktionary, CC BY-SA 4.0.
Today it means: A summertime redux of Halloween. Full definition →
First use appears c. 2012. Blend of summer + Halloween. Originally coined in the animated TV series Gravity Falls.
Etymology from Wiktionary, CC BY-SA 4.0.