- BG
- interj. big grin. (An initialism used in computer forum or news groups to show that the writer is joking or happy. Not pronounced. Often enclosed, <BG>.)□ I haven’t seen you on the board. I thought you had run away from home. <BG>□ Your last message was filled with misspelled words, but I think I could understand what you meant. <BG>
Dictionary of American slang and colloquial expressions. 2015.