Place it at the peak of the effort in your edit, then follow it with a punch sound when the lift fails and the weight drops. For a bigger collapse, add a metal pipe clang after the impact to finish the sequence.
About this sound
This clip is a single deep grunt, a short strained exhale that sounds like someone putting real effort into lifting, pushing or getting up. It lands as funny and slightly awkward, turning ordinary effort into an over-the-top moment of strain. The raw, unpolished delivery makes it feel immediate and human, perfect for punctuating a struggle without saying a word.