gabuldury - A big mouthful of words you use to yell at someone, but you'

A big mouthful of words you use to yell at someone, but you're too scared to actually be mean

He used a gabuldury to yell at me, but he was too scared to say anything real

She gave me a gabuldury, but it was just a bunch of fake anger

I used a gabuldury to get back at my brother, but it was just a weak attempt