Character OMGs

Flower
In 'Insectephobe's Nightmare II' Flower states her 'OMG' as 'Oh my Garndener!'

Spongy
Spongey is yet to have an OMG moment.

Blocky
Blocky is yet to have an OMG moment.

Woody
Woody is yet and probably never will have an OMG moment.

Pin
Pin's OMG moment was 'OMPF' which was then revealed in 'BFDIA 5e: The long lost yoyle city' as 'Oh my pin factory!'

Needle
Needle does actually have an OMG moment, but it was hidden due to an elimination layer glitch. It remains unknown.

Teardrop
Teardrop is yet and probably never will have an OMG moment.

Golf Ball
Golf Ball is yet to have an OMG moment.

Coiny
Coin'y OMG moment was said twice as 'Oh my Mint!'

Snowball
Snowball's OMG moment was said at the biggest and final elimination ceremony as 'Oh my Snowflake!'

Match
Match's OMG moment is 'Oh my Wood Sickle!' though this is unsure of and vague, especially as she said before 'OMQ'.

Eraser
Eraser is yet to have an OMG moment.

Pen
Pen is yet to have an OMG moment.

Tennis Ball
Tennis Ball is yet to have an OMG moment.

David
'Aw, seriously?'

Pencil
Pencil is yet to have an OMG moment, although she says 'OMG' a lot.

Ice Cube
Ice Cube is yet to have an OMG moment.

Rocky
Rocky was planned to have an OMG moment but then they decided to take away the ability from him to speak. It remains unknown.

Bubble
Bubble's OMG moment is 'Oh my Bubble Blower!' sometimes shortened to 'OMBB!'

Leafy
Leafy's OMG moment is 'Oh my Tree!', used once.

Firey
Firey's OMG moment is 'Oh my Oxygen!', used once.