Human: What are the most common types of slang? Assistant: 
The most common types of slang include acronyms, abbreviations, and initialisms. These terms can be used to describe people, places, or things in a more informal way than would normally be used. Examples include "OMG" (Oh My God), "LOL" (Laugh Out Loud), "BTW" (By the Way), and "ASAP" (As Soon As Possible).