An extended period of time experienced by a person wherein they can conduct themselves in a carefree manner with little to no repercussions.
Senior spring is similar to the attitude toward work exemplified by a forth year student in high school or college during their spring semester.
This term was made popular by NBC’s The Office in its eighth season, for it was spoken by Pam Halpert, a leading character.
Pam: At this point, when you’re this pregnant, it’s kind of like senior spring. The other day I spit my gum out on the carpet.