Top Definition
A ballista is when the bus driver breaks heavily, causing everyone to surge forward. Literally launched down the bus with no discrimination for age.
Submitted by: [redacted] Contributor Record Sealed · 2 September 2023
verified Mrs. E. Tindall · TML/F-201 · clerk M.L.
Public Endorsement
0
filed in Vol. I, drawer 5, shelf 3