genericides.org keeps a list of generic trademarks. We support the list with examples of "generic use" in newspapers worldwide. The entry below is such example.
I locked myself like someone caught short, seized up with diarrhea, into the lavs of aircraft while we were still attached to the chupah or jetway or whatever it is they call that thing
Involved trademark
Involved news organisation
Date
Is the trademark here used in an expression?
No
In what news organisation did it appear?
NPR
Url
