1) Feeling great about yourself probably because you have been drinking all night.
2) The feeling of a hangover after drinking a bottle of Goose and Redbull the night before.
3) Adding the word "Fresh" before a noun will amplify its meaning.
4) Matty Freshhhhhhhhhhh
Matty rolled to the party/bar feeling "Fresh"
He drank a bottle of "Fresh" goose
He banged a "Fresh" stayout
He woke up in the morning feeling "Fresh"
Matty got that "Fresh" car