compost tea n. a solution of organic waste matter used as plant fertilizer or insecticide. (source: Double-Tongued Dictionary)
Further reading
If someone urges you to spill the tea, they probably don’t want you tipping over a hot beverage. Originally, the tea here was the letter T, as in “truth.” To spill the T means to “pass along truthful information.” Plus...
If something is saucered and blowed, it’s completed. The expression derives from an old tradition of pouring a bit of boiling coffee or tea into a deep saucer, and blowing on the liquid to make it cool enough to drink. This is part of a...