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Top definition
MASP
Middle-Aged
Smarty Pants
: an older
over-achiever
, smart,
educated
, and still learning.
"
Susie
went
back to school
for her
PhD
at age 45. She's such a MASP."
by
Science Mercenary
May 03, 2014
Get a
MASP
mug for your boyfriend James.