Liam Neeson

To describe an action or event that could be perceived as decent. The term can be used as just 'Liam' or 'Neeson' to describe the situation.

Mate: "Yo, I just found a five pound note in my jacket that I haven't worn in a while!"
Mate: "I hit a quad collateral on cod earlier!"

Typical responses:
Me: "No way bro, that's Liam Neeson"
Me: "That's actually pretty Neeson"
Me: "Lets go bro, that's super Liam!"