A fork of Rural Dictionary
n. Better known as a "flash drive," "jump drive," or "thumb drive," a geek whistle is small nonvolatile data storage medium (usually 128 MB - 2 GB) that is often found dangling from the necks of geeks on a lanyard. It's the geek equivalent of a coach's whistle.
I meant to bring those files with me, but I left my geek whistle at home