In fps games, this strategy is used to avoid snipers by making the player go in a circle-like motion.
Teammate: "They got a sniper on the enemy team, better be careful going through his sightline."
Player: *goes through sightline* WASDWASDASDWASDAWSDWASDWASDAWSDWASDWASDWASDWASDWASDAWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWW.
you: imatype wasdwasdwasdwasdwasdwasdwasdwasdwasdwasdwasdwasdwasdwasdwasdwasdwasdwasdwasdwasdwasdwasdwasdwasdwasdwasdwasdwasdwasdwasdwasdwasdwasdwasdwadwasdwasdwasdwasdwasdwaswasdwasdwasdwasdwasd and see what happens
But in our case "wasdwasdwasdwasdwasdwasdwasdwasdwasdwasdwasdwasdwasdwasdwasdwasdwasdwasdwasd" is when either a developer or gamer is bored out of their fucking minds and they decide to type in some random shit to see what would come up. Or a developer would use it to test something in their code.
alert("wasdwasdwasdwasdwasdwasdwasdwasdwasdwasdwasdwasdwasdwasdwasdwasdwasdwasdwasd");
Or
Googlesearch: wasdwasdwasdwasdwasdwasdwasdwasdwasdwasdwasdwasdwasdwasdwasdwasdwasdwasdwasd
another term for a station wagon, mini-van, or any other kind of vehicle that is targeted at the "family" demographic(also M.A.V.)
"Tactical advantages aside, the M.A.V. is top of the line for the holy warrior troop transport manufactured by the Church of Latter Day Saints Military Industrial Complex. Also great for family trips...to heathen lands."
12 step recovery jargon referring to someone new who talks about how great life is, now that they'resober. Usually meaning that the person is out of touch with reality.
The new guy seems pretty happy for a dude who has no job, no money and no family. He must be on a pink cloud.