Preferably for a good old spanking session on a sunday morning before work, get a bit of cabbage and stick it in your womans ass crack and eat it while your woman screams the japanese alphabet
Hey Katie, im just up im gona give you a mcnallysteamer before i head out
A Chicken McNally is a more specific case of a McNally. The Chicken McNally is a McNally that is more likely to be made out of chicken (although it does not necessarily have to be chicken, since this term is most commonly used when stoned.)
Describing someone who has a talent that is not very common and/or
A person who is prone to doing something or going somewhere without having any idea of what they are getting into
Wow that guy can throw darts like a McNally
or
We went for McNally hike the other day, got totally lost and had a few near death experiences