I didn't realize this was (still?) controversial. You can literally search on Amazon (and other sites) and see they're listed primarily as "Flash Drives". I thought that was long settled!
Poll: What do you call the small USB device that you plug in to transfer files?
11–20 of 102 posts
Re: Poll: What do you call the small USB device that you plug in to transfer files?
#12Flash drive or thumb drive. Use them pretty much interchangeably.
Re: Poll: What do you call the small USB device that you plug in to transfer files?
#13Not listed: Flash drive. So I picked "USB flash drive".
Re: Poll: What do you call the small USB device that you plug in to transfer files?
#14Flash Drive
(not "USB Flash Drive")
Re: Poll: What do you call the small USB device that you plug in to transfer files?
#15In my country it's colloquially called just "stick" (the english word), sometimes "USB stick". "Copy that stuff on the stick."
I suppose in english "a stick" refers to any long thin piece of a tree or shrub, so it's ambiguous.
Re: Poll: What do you call the small USB device that you plug in to transfer files?
#16Phone.
Re: Poll: What do you call the small USB device that you plug in to transfer files?
#17i call it clutter
Re: Poll: What do you call the small USB device that you plug in to transfer files?
#18“USB Drive”
Re: Poll: What do you call the small USB device that you plug in to transfer files?
#19USB drive
Re: Poll: What do you call the small USB device that you plug in to transfer files?
#20USB key