When the crowd responded to the show so positively, we realized we were 'onto something'. [=we had done/discovered something important, special, etc.]
Scientists believe they are 'onto' something big. [=scientists believe they are close to making an important discovery]
Don't try to shift the blame 'onto' me. [=don't try to blame me instead of the person who should be blamed]
(..) he abducted a kid... ...threw him down a mine vent up there in Silent Hill. Cybil Bennett, she found that boy. She spent three days holding onto him... ...keeping him alive until they were rescued. We know what we're doing. I need to do everything I can. Let's go. (..)2006 Silent Hill
(..) I'm burning. Rose? Rose? My God. - How did you get over there? - Where is she? Grab onto it. - Now swing back around. - Okay. - Are you all right? - Yeah. What the hell (..)2006 Silent Hill