Looking on the internet deeply has found these results:

the LBW is the most popular phrase on the web.

an LBW 194,400 results on the web	the LBW 1108,000 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
It doesn't look like this phrase is very popular! The search could not find any examples on the internet.	After lunch the kids were playing cricket, and Rocco that's Harry's son thought that Hugo was out, LBW. I got him out LBW. I bowled it.

an LBW

194,400 results on the web

the LBW

1108,000 results on the web

More popular!

It doesn't look like this phrase is very popular! The search could not find any examples on the internet.