Cachink rustle
rowr!
Varooooom
Ka-ching!
'cock-a-doodle-doo'
Baa.
Unnh!
vroom
The typical written expression for a yawn sound is "ho hum."
The sound of a bullwhip is a "crack," or possibly a "snap," but there does not seem to be a separate sound for the impact of a lash.
No, that is not how you spell it.It is called a whoopee cushion, not a whoop cushion.
A cow stereotypically makes a "moo" sound.
ooooh ooooh aaaah aaaah