swash someone's buckle

== English == === Etymology === Back-formation from swashbuckle. === Verb === swash someone's buckle (third-person singular simple present swashes someone's buckle, present participle swashing someone's buckle, simple past and past participle swashed someone's buckle) (reflexive) To behave or feel in a swashbuckling manner. (euphemistic) To have sex To subdue or trounce. A nonce verb