Hoppity
Just brew it!
The muddled part that should say "we'll drink. To the foam" foam being the bottom of a beer
Interesting...my first exposure to this song was pre-pubescent. In the innocence of my youth I always thought it was about wave agitation causing sea foam near the shore, establishing the border of the drinking (shore to shore). Hadn't thought about it till you brought it up.
You can teach an old dog new tricks.