Having your act together, being professional, and/or conducting extensive, appropriate, and effective planning. This definition is distinct from another meaning — quiet, non-transparent, secretive, etc.
Unlike in India, the train system in Europe is buttoned up—trains run on time, bathrooms work, conductors check tickets, and accidents are rare.
Short-hand for the word floccinaucinihilipilification, meaning the estimation of something as valueless (encountered mainly as an example of one of the longest words in the English language).
Precedes or follows either a gratuitously disrespectful or honest remark, originated in New York City. Used in similar fashion to "no offense" or "to be honest," interchangeably.
Ya mans is wild buns, respectfully. Respectfully he's washed.
After school, The Modells on Jamaica Ave was active. Respectfully.