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a "polite" way of calling somebody fat.
" oh don't worry, you're just a little plump."
by hellboy October 12, 2003
packed full, sweet, awesome. used when reffering to something cool.
That car is pretty plump.
by chas michael michaels November 15, 2007
an adjective used to describe scene girls
omg that girl is so plump.
by rawrxxxxrawk July 22, 2006