The term "full-on" is an informal expression often used to describe something that is intense, extreme, or all-encompassing. It can be used in various contexts to emphasize the degree or intensity of a situation, action, or experience. For example:
"The concert last night was full-on! The music was so loud, and the energy in the crowd was incredible."
"I had a full-on day at work, with back-to-back meetings and tight deadlines."
"Their argument turned into a full-on shouting match."
"I'm going to have a full-on weekend of hiking and camping in the wilderness."
In these examples, "full-on" is used to convey the idea that something is happening at its maximum or most intense level. It can also imply that the situation is immersive or all-encompassing in some way.