During the initial delay that is meant to give players a time to buy and settle in (or something) it is very possible to buy your 1st recomended item and then rush the first enemy turret in the middle lane.
Without considering runes or masteries it should be possible to do at least 100 damage to the first turret before you have to back up and blue pill, then you can play as normal.
What's the point? So glad you asked. For me I've noticed this allows me to drop that first turret in 2 waves instead of 3, which is a big deal. Without doing this I am forced away with the turret having barely any hp left and it's very frustrating.
This of course assumes the champion opposition in the middle lane is negligable.
With a good rune/mastery set up it isn't unrealistic to drop that first turret by 200 to 250 damage.
Regardless every bit helps. If you are thinking about doing this incredibly cheap and somewhat stupid looking strategy some points to keep in mind.
1) You may want to pick ghost for a spell just in case a champion shows up during this early harrassment so you can get away fast.This times out very well once you are done healing up after your blue pill you can join that first wave and play normally.
2) You may also want to grab your w spell first for the same reason. Throw that SOB.
3) Warn your team so they don't freak out. If you play premade they should already know you do this.