look up any word, like rimming:
 
3.
The breasts of a Jippo
Damn thats Jippo is a hoe, she just showed me her joobies.
by Mike C. (Adze) December 01, 2007
 
1.
Boob longer than it is wide.
Jessica, you have really ugly joobies.
by justinna dong October 31, 2009
 
2.
an unofficial SI unit measuring wackiness.
that guy made a wacky face and gained 67 joobies!!!
by joobologist October 20, 2009