soft shoe

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun performing arts A kind of tap dancing performed in soft-soled shoes, popular in vaudeville.
• noun idiomatic A speech, explanation, sales pitch, or other set of remarks delivered in a restrained or conciliatory manner in order to persuade, distract, or otherwise influence someone.
• adjective usually hyphenated Of or pertaining to this kind of dancing.
• adjective idiomatic Casual, low-key, easy-going.
• verb To perform a dance of this kind.