Expression

park that thought: Idiom Meaning and Origin

over a barrel: Idiom Meaning and Origin

out on a limb: Idiom Meaning and Origin

out of this world: Idiom Meaning and Origin

out of the picture: Idiom Meaning and Origin

out of the ordinary: Idiom Meaning and Origin

out loud: Idiom Meaning and Origin

or something: Idiom Meaning and Origin

open one’s mouth: Idiom Meaning and Origin

open book: Idiom Meaning and Origin

on the loose: Idiom Meaning and Origin

on one’s knees: Idiom Meaning and Origin