Top definition
the action of taking a foreign substance, that causes a change in a person's consciousness or normal body action, in an excess or large amount. (i.e., caffeine, alcohol, marijuana, any illicit drug)
1: Hey bro I got some drugs, we're about to pipe up.
2. I'm about to pipe up starbucks, want anything?
3. I'm so tired, lets pipe up some adderall.
4. Damn I am very piped up, I drank so much beer
by D-Man89 December 04, 2016
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2
If anyone has an idea pipe up now or else.
by Shizzle Lizzle Wizzle November 09, 2003
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The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

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