(economics, politics) Abbreviation of Group of Two; the two leading economies of the world, the United States of America and the People's Republic of China

the second subphase of Interphase in the cell cycle directly preceding mitosis

(politics) Abbreviation of government-to-government.

(Internet slang, text messaging) Initialism of got to go. / (Internet slang) Initialism of good to go. / (Internet slang) Abbreviation of get together.

(Internet slang) Initialism of good to know.

(politics, economics) A group of finance ministers and central bank governors from 20 economies: 19 countries plus the European Union.

(business) Initialism of government-to-business.