The story
From back + -al, in humorous reference to frontal. Used since at least the 1970s.
Etymology from Wiktionary, CC BY-SA 4.0.
Today it means: Of or involving a person's back (rather than the front or side). Full definition →
From back + -al, in humorous reference to frontal. Used since at least the 1970s.
Etymology from Wiktionary, CC BY-SA 4.0.