(idiomatic) To function very efficiently and effectively, with few or no problems.

(UK) Used in direct address to female peers of the realm, usually now excluding duchesses and, potentially, the Lords Spiritual. / (UK) Used in direct address to female bishops.

(transitive, phonetics) To change to a diphthong, as by inserting or removing a vowel. / (intransitive, phonetics) To become a diphthong.

To roll, curl or twist around