What is Jello??
1.
A cocky or over confident way of saying hello on the phone. Also when trying to seem laid back or impressing someone with overconfidence on the phone.
(ring)... guy: one sec. hold on.
Guy: Jello?...yes..ok thanks.
Girl:who was that?
Guy:Oh just the casting department for a new movie. I got the lead role.
See 
Random Words:
1. 
God's own natural lubricant that comes out of your girlfriend a.k.a. pussy dew
When I pulled out of that bitch my dick was covered.. 
1. 
A song on the album "In Keeping Secrets of Silent Earth: 3" by Coheed and Cambria.
From the POV of Claudio & Jesse.
Ambe.. 
1. 
A quick, unexpected forward action of the foot which makes contact with the upper part of another person's body.  It is defined by ..