yawnishy 

to yawn, to feel a yawn coming on

The girl was tired, but did not feel yawnishy.

yawnishy by sand man July 10, 2003

Yawnish 

The act of understanding someone or trying to understand someone while they are yawning and talking at the same time.

Mike- "ajdjkf jfsjaj fjsal?"

Jake- "Dude! What the Fuck are you saying?!? I dont Speak Yawnish!"

Yawnish by BabyDorkasaraus May 14, 2009

Yawnish 

The almost-language-like noises made when a person attempts to speak while yawning.

Person 1: "Paaaa m th sawwwww."
Person 2: Stop that! You know I don't speak Yawnish!

Yawnish by Tee Hi March 17, 2021