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!"

Liam Neeson

Describes something that is good or awesome. Replaces the word 'Decent'.

"Yeah yeah, come on bro, those shoes are Liam Neeson."
"That goal was super Neeson" and/or "That shot on goal was Liam."