It means having too much traffic on a web site due to its link being posted on lifehacker.com as a feature article, sometimes even causing the featured web site to go down.
I just visited the site, but it seems the lifehacker effect took off again!
The lag of a small website resulting from a link posted on lifehacker.com
This site is so slow. It must be suffering from lifehacker lag.
Something very stupid that is supposed to make things cheap and easy but just makes you seem like you're poor and a retard.
5 Minute Craft Lifehacks are so stupid, I did one of the pop-socket ones and my phone case melted.
When you consume the most potent alcohol available to free up a spot at a Bar that has reached maximum capacity of people.
"Oh, you're already out from the bar?"
"Kalles Lifehack baby, now in with you and enjoy a cold one."