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1. mod. having to do with a drink with alcohol added; having to do with a punch with an alcoholic content. Is the punch spiked? I want some without.
2. mod. alcohol or drug intoxicated. I knew that Mrs. Wilmington-Thorpe was spiked when she belched like a real country thunder-boomer.
3. mod. having to do with hair that stands up straight. His spiked hair wouldn’t look so bad if it wasn’t orange.
See also: spike