biballs en · NOUN
Etymology
Blend of bib + overalls.
Meanings
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(Canada, US, informal, plural, plural-only) Loose-fitting pants (trousers) with supporting cross-straps and a panel of material in the chest (called a bib), often associated with farm work.
There was a naked, uncomplicated honesty in what he said as he stood there talking with his hands jammed deep into the pockets of his biballs that was impossible not to believe.
1996, Stephen King, The Green Mile: