Looking on the internet deeply has found these results:

I am going for a quick walk. is the most popular phrase on the web.

I am going out for a quick walk. 112,800 results on the web	I am going for a quick walk. 118,700 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
Mikey, take Jim for a quick walk before dinner. I don't want him tooting stinkers while the captain's here. Why don't I take him for a quick walk? Me and you, we're supposed to go for a quick walk. I just want a quick walk. Ryder is carpooling to soccer with Julio's mother and I am going out for a romantic day on the slopes with George. Well, I am going out for a bit. Wing Seng, I am going out for awhile. Why don't I take him for a quick walk?	Just going for a quick spin to 7 Mikey, take Jim for a quick walk before dinner. I don't want him tooting stinkers while the captain's here. I am going for a walk. Why don't I take him for a quick walk? I put in a transfer request, and I am hoping for a quick response. I just want a quick walk. Me and you, we're supposed to go for a quick walk. Why don't I take him for a quick walk?

I am going out for a quick walk.

112,800 results on the web

I am going for a quick walk.

118,700 results on the web

More popular!

Mikey, take Jim for a quick walk before dinner. I don't want him tooting stinkers while the captain's here.
Why don't I take him for a quick walk?
Me and you, we're supposed to go for a quick walk.
I just want a quick walk.
Ryder is carpooling to soccer with Julio's mother and I am going out for a romantic day on the slopes with George.
Well, I am going out for a bit.
Wing Seng, I am going out for awhile.
Why don't I take him for a quick walk?

Just going for a quick spin to 7
Mikey, take Jim for a quick walk before dinner. I don't want him tooting stinkers while the captain's here.
I am going for a walk.
Why don't I take him for a quick walk?
I put in a transfer request, and I am hoping for a quick response.
I just want a quick walk.
Me and you, we're supposed to go for a quick walk.
Why don't I take him for a quick walk?