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1.
Munted; drunk, stoned, or similar. As in corrugated iron (the wiggly roofing iron).
"We were too corrugated to even order pizza"
by Ginger G July 24, 2005
 
2.
Wrinkled.

Past tense of corrugate
The corrugated and decrepit vagabond hath smote thy commonwealth
by larstait October 11, 2003
 
3.
Partially punctured.
Be sure to use the corrugated cardboard so that it will stay folded in route.
by blitzit December 28, 2013