This term will most likely be heard in the uk. It is used when surprised or appalled.
Mike:(gives Derek a fright)
Derek:Jesus Christ on a bloody bike!!!

See jesus Christ
by Fayextreme May 2, 2016
Get the Jesus Christ on a bloody bike mug.
The word Caddicarus uses in his videos when he freaks the fuck out
"Ahh, maybe the joke was that edible paper clips are useless and have no r-"
*Beakers nose falls off*
"CHRIST ON A BIKE!"
by AlphaSylveon February 1, 2022
Get the CHRIST ON A BIKE mug.