Spring Break 2010. SB stands for spring break, and X stands for the Roman numeral 10.
SBX starts after these two midterms!
by Ariel UGA March 05, 2010
1 more definition
Spring Break 2010, when highschool and college poeple go to Florida or Cancun to have sex, get drunk, and have sex.
Hey Will, I know what you did on SBX.
by Taterbate April 09, 2010