Top Definition
'4sd' is what a zerg player in Starcraft 2 pushes to make a drone unit provided they have a hatchery bound to the 4 key and are using the default key mapping. If you play zerg, you will be pushing this key sequence a lot.
You: 4sd4sd4sd4sd4sd4sd!
Friend: what?
by leetkr3w March 29, 2011
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