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 9, 2013
Get the plimplimant mug.
the wordmeans you are annoyed with your dad
''dad can i borrow some money?''
''no i'm busy''
''plimplim!!!''
by MJM31 January 7, 2009
Get the plimplim mug.