A sister phrase to the popular "Freshman 15" that refers to how fat Senior girls get due to excessive partying and beer drinking during their final year in college.
Guy #1: That Holly girl used to be hot right, what happened to her? - Guy #2: She let herself go and gained her senior 15 like a fat slob, what a shame.
by Kiva May 11, 2006
Get the Senior 15mug. A phrase and hashtag used by almost every senior on any insta pic involving their sports or anything else to do with school
by Saucemeasierramist August 18, 2019
Get the Senior sznmug. After getting accepted into college, high school seniors may experience this. It is when students stop caring about high school and become extremely lazy, more so than someone with Senioritis . These students often skip school or come in late, or not even bother with work. Often they become addicted to video games like Modern Warfare 2. There is no cure except the end of school.
Student 1: Where's Matt? He hasn't been here in like a week?
Student 2. He got into college. He's played MW2 for the entire week. He's living the Senioritis Lifestyle.
Student 2. He got into college. He's played MW2 for the entire week. He's living the Senioritis Lifestyle.
by juliuscaesar2701 December 20, 2009
Get the Senioritis Lifestylemug. by heytherekidd35 February 18, 2010
Get the junior seniormug. by Taylor Friass October 9, 2007
Get the drew seniormug. by Notjake12345 December 10, 2021
Get the Super seniormug. "Bro, like 5 seniors are tying to get with Jada already, and she only a freshman. What a senior slayer, she better teach e her senior slaying ways."
by Nevertho September 8, 2019
Get the Senior Slayermug.