To plan and impliment a course of action at the same time.
"I hate working like this! I feel like I'm building a plane while flying it"

"Yeah. That's how we do things here. We are always plimplimanting."
by Gortimer April 09, 2013
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the wordmeans you are annoyed with your dad
''dad can i borrow some money?''
''no i'm busy''
''plimplim!!!''
by MJM31 January 07, 2009
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