1.To be bored.

2.Not liking something.

3.Can be associated with wanting food. (hunger)
1.

Person1: I am so mentally unsatisfied (MU).
Person2: I've been mu all day.

2.
Person1: I am mentally unsatisfied with not having anything to do.
3.
Person1: i am mu with my grumbling stomach.
Person2: Eat something.
Person1: brb
by ilikethecoloryellow May 2, 2009
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