Pal up Definition 1 of 2Pro Tip 1/3Informal Setting Used in casual conversations among friends, not formal interactions. He paled up with his classmates at the new school. Pro Tip 2/3Intentional Friendship Focus on a deliberate effort to establish friendship, rather than by chance. I decided to pal up with Jamie to have a buddy in the hiking club. Pro Tip 3/3Common Interests Often suggests bonding over shared interests or experiences. They paled up due to their love for painting.