put the boot in
Verb
Meaning
(intransitive, slang, idiomatic) To kick a fallen opponent.
(intransitive, slang, figuratively) To kick someone when they are down.
Source: en.wiktionary.orgVerb
(intransitive, slang, idiomatic) To kick a fallen opponent.
(intransitive, slang, figuratively) To kick someone when they are down.
Source: en.wiktionary.org