instant Undocking is the act of warping to a bookmark upon undocking from a station or outpost which is positioned such that your ship will immediately enter warp before anyone take action against it
An instant undock is a bookmark you can warp to from the very moment your ship exit station and is in space and ready to be commandeered. A proper instant bookmark is nigh-impossible to counter; only interdiction bubbles can stop these, really.
A proper instant bookmark need to be properly centered with the station's undocking corridor. With proper centering, you will be in warp the moment you hit the bookmark. Without a proper alignment, your ship will have to re-align, if ever so slightly, prior to actually warping. This would make you vulnerable to high scan res ships.. a.k.a insta locking ships etc.
Grab the fastest ship you have. Undock and burn away from the undock as straight and true as possible. This is a little harder than it sound. If you pay close attention to your ship post undocking, you'll see it sway to a random vector after a meager few moments of being in space. This random vector is roughly a 10 degree deviation from the original path. It's a magic mini-bump that happens out of nowhere to fuck you up…
What you wanna do is burn away at least 250km from the station, square in the center of the corridor, and bookmark that spot. Ideally, you want several per station. That's being a bit anal but Welcome to EVE™. One within the station's grid, which double as a ghetto perch, then few extras out of grid. The farther off you go, the least precision you'll need in relation to the centering of the undocking corridor.
PROTIP: put a spacebar as the first character of the bookmark name. This way, it's at the top of the menu and is therefore the most easy to click on.
Below is an example of a properly aligned instant undock. This is 700km away from a Gallente Outpost (LIWW / 6VDT / OWXT etc..)
Below is an example of what a FAIL instant undock would look like. Note this example is FAR from being properly aligned with the undocking corridor. It's intentionally SUCKED AS ALL FUCK in order to visually provide a cue of what a fail undock BM is like. Don't use that one. This is the kind of crap you'll get if you mindlessly hit your MWD after undocking. Remember the random bump vector? That's what this is talking about.
1. **Acquire awareness!**
Get intel about what's going on outside of the station. Don't be a moron and undock while there are fifty hostiles in the solar system unless you are reasonably sure that the station is clear.
Use the little grill-like icon on the top left of your screen and select Warp To → YOUR UNDOCK BOOKMARK HERE. This is what it could look like. Note the spiffy highlighted horizontal highway that's super easy to click through within 0.1 seconds? That's it!
When you land at your bookmark warp somewhere else. Don't hang around more than you need to. Case in point: Combat Probes deployed right on top of the station, at 0.5 AU range, will land a warp-in on you within 10 seconds. Literally. Instant undock then get out of there.