A young girl called Buttercup Rust
With a stunningly up-thrusting bust
Rendered masses of chaps
Quite apt to collapse
Overcome with ungovernable lust.
About this sound
This is a short vowel.
The mouth is held half open in a fixed position.
The tongue is held flat and the tip is touching
where the bottom teeth meet the gum inside the mouth.
Resonance is at the back of the mouth.
Which words have the 'UP' sound?
There are lots of words where the letter 'o' is sounded as @up