Budge up
Definition 1 of 1
Pro Tip 1/3Casual Use
Used in informal settings among friends or family, not in formal or professional situations. 
Hey, can you budge up on the couch? I want to sit too.
Pro Tip 2/3Spatial Request
Often used to ask someone to move slightly and make space in a limited area, like a bench or sofa. 
Budge up, please; there's enough room for all of us if we squeeze a bit.
Pro Tip 3/3Non-verbal Cues
Can be accompanied by body language, like patting the space you'd like to occupy or gesturing. 
She patted the seat next to her and said, 'Budge up a bit for me?'