look up any word, like swag:
A kneejerk reaction to a startling event. Best used in church as not to offend any priests, pastors or flanderizez.

Abbreviation for Jesus Fucking Christ.
J F'n C, your breath be smellin like wale pussy!
by Christ0 November 30, 2006
15 8
J F-in C

Jesus F**kin Christ
person 1: i puked after 8 beers

person2: JFnC u amateur
by frprtz October 20, 2009
5 2