JM: A follower of Robert Frost? So that's what "an oozy footstep behind Frost" means? One must find the context for this quote to get the feel of Nabokov's tease.
MR: Jansy, my impression is that the author of the article interviewed VN himself, so this is probably all the context available.
Here's an entertaining VN quip I hadn't seen before:
http://news.google.com/newspapers?id=Av4xAAAAIBAJ&sjid=IOUFAAAAIBAJ&dq=lolita nabokov&pg=6705,2034481
Matt