Doddiling
A word to use when a person or group of people are walking extremely slow in front of you, and you cannot go past them; you begin to get angry because they're oblivious to you.

Noun: Doddle
Verb: Doddiling
Person 1: "Dude, these people in front of us are fucking doddiling to nowhere."

Person 2: "Just wait until we can get around them."