| J/K | Just Kidding |
| JAFO | Just Another F---ing Observer |
| JAFU | Just Another F--- Up |
| JAM | Just A Moment; Just A Minute |
| JANFU | Joint Army-Navy F--- Up. (When American troops get shelled by their own side both the army and the navy.) |
| JAS | Just A Second |
| JAWS | Just Another Windows Shell |
| JFF | Just For Fun |
| JFYI | Just For Your Information |
| JIC | Just In Case |
| JK | Just Kidding |
| JMOOC | Just My Opinion Of Course |
| JMHFOOC | Just My Humble F---ing Opinion Of Course |
| JPW | Just Plain Weird |
| JSNM | Just Stark Naked Magic |
| JTYWTK | Just Thought You Wanted To Know |
Unless otherwise noted, all photos and text is Copyright © Richard G Lowe, Jr.