buttinline
nounUK /ˈbʌtɪnlaɪn/
US /ˈbʌtɪnlaɪn/
A buttinline is a made-up word for a line you stand in with your bottom.
The kids giggled and formed a silly buttinline at the party.
OTHER MEANINGS
2. A playful term for a line drawn behind something.
He drew a buttinline behind the toy car.
3. A funny name for the back edge of a shape.
The buttinline of the square was colored blue.
4. A pretend word used in games to mean the end of a line.
Everyone ran to the buttinline to finish the race.