Someone who likes to nestle up ones ass. To be obsessed.
Susies with that person all day every day and wont leave them alone, she is an ass nestler!
by Kina1288 January 08, 2012
1 more definition
One who finds comfort residing within the confines of the anal cavity of those who will do all or some of their job for them
That ass nestler would throw his mom under the bus if she didn't cut his meat for him at dinner
by Irish Actor Girl September 29, 2011