A person who is unusually scruffy, disheveled, disorganized, and clumsy. Can also be used as a term of endearment.
My friend is such a mal doon, he always wears his bobble hats lopsided and never arrives on time.
I love you mal doon
mal doon: define #2
SGTS in the military who think they know it all, or are funny, but in actuality are only compensating for their own ” short comings”
E-5 – E-7 mainly males are maldoons, rarely females, but some have known to be