Top definition
The ability to perform offloads like Sonny Bill Williams in the game of rugby union.

*as created by Brendan Costelloe
with tribute to Newcastle University RFC
Cian's offload had serious SonnyBillity.

Shane has no SonnyBillity in his game.
by SONNNNNYY BILLLLLLL December 28, 2011
Get the mug
Get a SonnyBillity mug for your daughter Yasemin.