He did one named attack and both goofy and zoro were on edge and sweating after that. He was clearly holding back too cause he didn't use acoc.
And, goofy, a yonko, then proceeded to ask zoro, his firstmate, to help against Gaben. Meaning goofy thought he couldn't take gaben 1 v 1.
So yeah, they were overwhelmed.
If they were just impressed, no need to jump him lol.
meaning oda respects gaben. which we expected.