Northeast US - weed whacker

I grew up in California near the bay area calling them weed whackers.

Same.

Whipper Snipper here in Aus

Western Canada. Weed whacker.

Weedeater, weed whacker, or trimmer. In that order of descending use.

I almost always use the first one, weedeater.

Southern US. Weed whacker.

From the UK and in my region they are called Strimmers.

If this were Facebook I would say this is a bot harvesting user locations for advertising profiles...

Whipper-Snipper (Australia)

I feel like weed Whacker/Eater are brands like Kleenex. In my head it is a string trimmer.

I usually say "I'm going to trim the yard".

Oregon. I have only ever heard them called weed eaters.

Up in Canada, I've only ever heard weed whacker

Alabama here. Battery and mains powered ones are generally called weed eaters.

The gas powered ones are called a string of curses that would get me banned. Usually while trying to get them to crank. There’s a reason I went electric.

Weed whackers and weed eaters were used fairly interchangeably where I grew up in the US southwest and mountain west.

Germany, Rasentrimmer – grass trimmer.

Weedeater or strimmer in NZ

American south, weed eaters

I'm in a Great Lake State and we call it a "weed whacker". Really send the "wh" sound like Hank Hill for comic effect.

US south. Weed eater or weed whacker, but the second is much less common. It's also the name of the thing you're doing. You use the weed eater to go out weed eat the yard

New brunswick (canadian province near maine) here, it's also called a weed whacker (and sometimes weed eater)

Weed whacker, unless I need parts or a new one, then it's a string trimmer until I need to whack more weeds

weed whacker

decespugliatore (debusher) or tosaerba (grass shearing)

Canada, various provinces - either weed whacker or whipper-snipper.

Scott calls it a trimmer sometimes, but Scott's a dick and we hate him.

Strimmers.

I'm pretty sure I call them weed whackers, but I've heard weed eater not irregularly. I'm up in the Washington area.

SW PA, weed whacker

ye olde whippersnapper

This plays in my head every time I hear the phrase “weed whacker”. It’s called a whacker, for weeds.

https://www.youtube.com/watch?v=qMghq58gvFo&t=106

Ours are mostly electric now and thus not annoying

Strimmers here in the UK

Weed eater

On a related note, are the reloadable plastic strings on electric trimmers intentionally designed to unravel within a few uses so you have to keep buying replacements?

Dallas TX. We call it a trimmer. In Spanglish, many people call it a wira which is informal slang to pronounce "weed eater".