Slowness in an online game because of a bad server, or an over-abundance of people using it.

Messing up in life; Failed at something very important

when you type something and it comes up on screen later than you typed it

A word describing the action of having been dobbed in by someone.

To be extremely Drunk, this is when someone is said to be 'lagging'.

When your girlfriend has to fake an orgasm because your sexual connection is faster than her's. Don't worry its not your fault she's just lagging.

The act of becoming lagged: Because broadband is much like crack, we need access to it 24/7. When our gloriously fast connection slows by mere milliseconds we become irate and frustrated. In some instances, a feeling of malcontent creeps into the soul of the afflicted. Time and reality is distorted beyond recognition. This is what is common referred to as "lagging" in the gamer world. Lagging has been associated with the mysterious and random creation of acronyms such as STFU and WTF. Beware of those suffering from this affliction. Warping, twitching, and team genocide are common side effects of lagging.