Top Definition
A physical relationship that, like the former planet Pluto, used to exist, but now is just a non-physical friendship.
Yeah, we used to fool around alot, but now we're strictly plutotonic.
#pluto #platonic #plutonic #planet #friends
by bluzenn February 28, 2009
5 Words related to plutotonic
Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from We'll never spam you.