When a (typically straight) man or woman is having sex with a plus size (thicc) partner and uses their love handles (rolls) as true handles to provide a momentum advantage during intercourse.
The process of actually using love handles for their intended purpose.
Ashton: "Damn, she's thick!"
William: "I know! We hooked up last night and I was fucking her so hard, I had to do the Stanky Nabilliam to maintain my speed! She was really into it!"
Ashton: "what is the Stanky Nabilliam?"
William: "when you use those love handles as God intended!"
Ashton: "You are a legend, thicc girls are the best!!!"