Written by Jack Tatay
The following is a list of cartoons where Daffy goes "woo-hoo." "Woo-hoo" seems to be Daffy's natural noise, it is often made when he is excited.
1937
1. Porky's Duck Hunt
1938
2. Daffy Duck and Egghead
3. Porky and Daffy
4. The Daffy Doc
5. Daffy Duck in Hollywood
6. What Price Porky?
1939
7. Daffy Duck and the Dinosaur
8. Scalp Trouble
9. Wise Quacks
1940
10. Porky's Last Stand
11. You Oughta Be In Pictures
1941
12. A Coy Decoy
13. The Henpecked Duck
1942
14. Conrad the Sailor
15. Daffy's Southern Exposure
16. The Impatient Patient
17. The Daffy Duckaroo
18. My Favorite Duck
1943
19. To Duck...or Not to Duck
20. The Wise Quacking Duck
21. Yankee Doodle Daffy
22. Scrap Happy Daffy
23. Porky Pig's Feat
24. Daffy the Commando
1944
25. Tom Turk and Daffy
26. Duck Soup to Nuts
27. Slightly Daffy
28. Plane Daffy
29. The Stupid Cupid
1945
30. Draftee Daffy
31. Ain't That Ducky
32. Nasty Quacks
1946
33. Book Revue
34. Baby Bottleneck
35. Daffy Doodles
36. Hollywood Daffy
37. The Great Piggy Bank Robbery
1947
38. Birth of a Notion
39. Along Came Daffy
1948
40. Daffy Duck Slept Here
41. You Were Never Duckier
42. Daffy Dilly
43. Riff Raffy Daffy
1949
44. Daffy Duck Hunt
1950
45. The Scarlet Pumpernickel
1951
46. Rabbit Fire
47. Prize Pest
1954
48. Quack Shot
1955
49. Dime to Retire
1956
50. Stupor Duck
1958
51. Don’t Axe Me
1963
52. Aqua Duck
1965
53. Moby Duck
1966
54. A Squeak In the Deep
1967
55. Speedy Ghost To Town
1980
56. The Yolk's On You
1987
57. The Duxorcist
NOTE
A Star Is Bored (1956 - Daffy makes an “evil” sounding woo-hoo, much different from the normal one )
Capitol Records
Daffy Duck Flies South
Bugs Bunny in Storyland
Daffy Duck's Rhapsody
Daffy Duck Meets Yosemite Sam
Henery Hawk
Daffy Duck's Feathered Friend
Movies
Daffy Duck's Movie: Fantastic Island
Who Framed Roger Rabbit
Daffy Duck’s Quackbusters
Space Jam
TV Shows
Tiny Toon Adventures ("The Looney Beginning")
Baby Looney Tunes (numerous episodes)
Web Cartoons
Fowl Play
Cartoons where characters other than Daffy go “woo hoo.”
Note: only Daffy Duck-stye "woo-hoos" are counted.
Porky the Wrestler (1937 - Porky Pig)
Picador Porky (1937 - Porky Pig)
Porky's Super Service (1937 - Porky Pig)
Egghead Rides Again (1937 - Egghead)
A Sunbonnet Blue (1937 - Mouse)
Little Red Walking Hood (1937 - Granny)
Nutty News (1942 - Woo-hooing heard over the opening titles)
Eatin' off the Cuff (1942 - Live-action man after moth eats his pants)
Rumors (1943 - SNAFU - a "rumor" gremlin)
Tortoise Wins by a Hare (1943 - Bugs Bunny)
The Swooner Crooner (1944 - Porky Pig)
Thanks to Tim Cohea, Jon Cooke, Jason Furness, Matthew Hunter, Bart Kasper, Thad Komorowksi, Pietro Shakarian, Mike, "Do-Do," and "chuckamuck43"