throwing up (usually from drinking)

lil mad is like big mad but the opposite, you mad but not mad to the extent of pullin somthin

Mainlining a drug into your bloodstream, drawing back the syringe to refill it with blood, and then injecting it back into your arm. The theory being, the blood injected back into your bloodstream, will carry with it, any residule narcotic leftover in the syringe.

A "boo ting" is slang for a boyfriend.

dating no strings attached. an open relationship where you can hook up with other people.

When your head is booting, you have a really bad headache/migraine

This is usually after a night of drinking/drugs or when you’re stressed out