The past tense of the verb 'spring', which means to jump or move suddenly and quickly.
When someone sprangs, it usually means they moved in a fast and surprising way.
Examples:
She sprangs out of bed in the morning.
The cat sprangs onto the table.
He sprangs over the puddle.
The ball sprangs high into the air.
The superhero sprangs over the buildings.
The rabbit sprangs away from the fox.