What does Alaskian Bullworm mean?

Alaskian Bullworm meaning in Urban Dictionary

"The Alaskian Bull Worm" is when a female or a male takes their finger and strikes a man's penis back and forth. It requires great finger agility and erected penises to produce the impression of "The Alaskian Bullworm" This is an expierience that you'll never forget. Tell your intimate lover getting their particular fingers prepared!