To scug means to crouch or squeeze into a small space.
Scugging can make people think of hiding, being small, or being uncomfortable.
Examples:
The cat will scug under the bed.
I scugged into the tiny cave.
She scugged down behind the tree.
I scugged into the box and surprised my friend!
The mouse scugged into the hole and disappeared.
He scugged into the small space and waited for his friends.