While someone is running on a treadmill, someone else defecates on the front of the treadmill, causing the person on the treadmill to run through the feces. The name originates from the boston bombings, which occurred during a marathon.
by Fortnite_gamer177 July 10, 2022
A car backfired driving by our house last night. You should have seen my mother running around screaming locking doors and windows. Then she called 911, it was a regular Boston Bomb Scare.
by hotknot February 3, 2007
When one inserts a phantom firecracker into their anal cavity for there partner to light the fuse and proceed to cup their balls and pull them which the caretaker of the firecracker screams having a massive shit grape shorted across your face
“I’m in the mood for a Boston Pipe Bomb”
by Bambi Cock June 11, 2020