Definition of "Whosis"

Whosis has been around, and has made provisions to circumvent any wanton slaughter of his perfectly good name. Whosis has a card. The card comes in to you.

1934, Inland Printer, American Lithographer, volume 93, page 55

When the Whosis Cheese Corporation takes to the radio and dins its name into your ears 30 times in 15 minutes, it's proceeding on a sound if sometimes annoying psychological principle.

1948 January, The Rotarian, volume 72, number 1, page 64

"You look like a guy in the movies. You know. Whosis. You know who I mean. What the heck's his name?"

1951, J. D. Salinger, The Catcher in the Rye, Boston, Mass.: Little, Brown and Company, page 126