Place this clip at the effort peak in your edit, just after a cartoon slip sets up the fail, then follow the attempt with the sad violin sound button for the deflated result.
Bu Ses Hakkında
The clip is a single human voice dragging out a strained Gnnneeeehh grunt for about four seconds, all effort and no words. It sounds like someone pushing, lifting or trying way too hard at something small. That over-the-top strain makes it feel funny and a bit awkward, perfect for exaggerated struggle.