Sittin' here la-la waitin' for my ya-ya
Huhmmmm, huhmmm. (2X)
It may sound funny, but I don't believe she's comin' home.
Baby hurry, don't make me worry,
Huhmmm, huhmmm. (2X)
You know that I love you, oh how I love you,
There may be another verse, but as you can see, they're not too, uh, complex. The line-repeats (2X) mean the two preceeding lines, not just the 'huhmmms'.
Lee Dorsey was one of the New Orleans greats: 'Sittin' In A Coal Mine', 'Get Out of My Life Woman', etc.