Noun. A particularly flighty and flaky space cadet in a long and lonely orbit, free of substance and merit. A common moonfart trait is delivering intensely bitchy comments in a soothing, vacant tone; also deflecting all blame and responsibility in the same zombie-guru monotone.
Guy1: Man, if she put as much effort into her work as she does trying to lead the office in meditation, she might keep her job.
A heart for the world. Giving so much that is leaves others muted/speechless in response. Someone who cares a tremendous amount about others and is always putting others before themselves.
Mother Teresa has a moothart, because of the work she has done for others. Gahandi with his moothart changed all of india.
Someone who jumps from one relationship immediately into another one.
Serial monogamists can not stand to be alone and often suffer from vast commitment and insecurity issues.
Because they jump into relationships immediately after the previous one has ended, serial monogamists typically don't take the time to reflect on their behavior or why their previous relationships failed; thus, they end up making the same relationship mistakes over and over again.
Person 1: Damn, Dustin already has a new girlfriend?! It's only been two weeks since he broke up with his fiance! I think he's a sociopath.
Someone or something that bites your ankles.
To a postman, an ankle biter is often known as a dog.
To an adult, an ankle biter may be a toddler.
To hikers, an ankle biter is sometimes a tick.
And so on.