Adhering to an original field of practice(adjective)
Characteristic of an older style(adjective)
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Use "oldskool" in a sentence
"Just a few comments about the 'oldskool' way of living here in Bocholt (N-E of Belgium)."
"Both motion controls (with nunchuck) and 'oldskool' classic controls will be available."
"The winner of this year's "oldskool demo competition" at the Assembly 2009 (a festival of low-level assembly programming) is this sweet animation, "3½ inches is enough" by Unreal Voodoo, which is apparently running on some kind of monochrome 68K classic Macintosh."