man#1 hey, you wanna mix that vodka with a little bit of sprite?  man#2 naw, i'm drankin' this shit branch so i don't get a headache
to mix water in your alcohol or liquor to prevent you from getting a hangover
"man#1 hey, you wanna mix that vodka with a little bit of sprite?  man#2 naw, i'm drankin' this shit branch so i don't get a headache" What is the definition of "branch"?