butt-clenching (English, adj)
expansion: butt-clenching (comparative more butt-clenching, superlative most butt-clenching)
Senses:
glosses: Synonym of buttock-clenching.
tags: Canada
US
informal
Forms:
form: more butt-clenching
tags: comparative
form: most butt-clenching
tags: superlative