Tobes: Wow thats disgusting!
Gus: Nah man I love rubbing it on my chest
This can be done from a great height or, for example, hanging in a tree, in which case it is known as a "trick pour".
Can also be used as a verb, usually in a song-form as follows:
LAY BACK (insert 2-syllable name here), LAY BACK! LAY BACK!