Gimp refers to sexual exploitation. Often the "exploited" is a willing participant but often not. Regardless it's "funny" the way a 12 year old finds drawing dicks on things funny.
Libreoffice only tells geeks exactly what the product is. My team, who uses Libreoffice, couldn't explain what Libre means, and no one can pronounce it.
Being quick and catchy is a pretty low bar. No one knows or cares about the story behind Lemmy. It sounds silly in conversation.
