noun - a grammatical structure that we use for actions that had been happening up to a certain moment in the past, the structure is HAD BEEN + present participle (had been going, had been talking etc.)
adjective, informal - very drunk
adjective, informal - extremely drunk
adjective, informal - excited
adjective, American English, informal - slightly drunk
noun, informal - an additional serving of food taken after someone has already had seconds
noun, informal - an extra portion of food that someone takes after finishing their first serving