Louis CK is known for bluntness, but his language on Thursday’s “Late Show” left David Letterman gobsmacked.
The star of FX’s “Louie” said he was sorry to hear Letterman is retiring.
Read Also: Louis C.K. Tells Incredible Story About Finding a Dead Guy in the East River (Video)
“By the way, I’m very pleased for Stephen Colbert. He’s a great guy and he’s my friend,” CK added. “But the fact that you’re leaving really sucks balls! I think…”
Letterman began scribbling notes and looked uncomfortable.
Read Also: Bradley Cooper Hilariously Schools Louis C.K. in ‘Inside the Actor’s Studio’ Viral Video
“Louis, no one on this program, either over at NBC or here, has ever used the expression ‘sucks balls,’” Letterman said.
Watch the video:
