What does SEX stand for? Your abbreviation search returned 16 meanings. showing only Slang/Internet Slang definitions (Show all). 21 Jun The popularity of abbreviations and acronyms in personal ads Sex and Love editor ASL: age sex location LTR: long term relationship. Pages in category "Sexual slang". The following 68 pages are in this category, out of 68 total. This list may not reflect recent changes (learn more).