June 21st. The day when u and your best friend get in bed and you know..fuck
"OMG WHY ARE U TAKING OFF YOUR CLOTHES?!!?!"

"Its National Fuck your best friend day!!! Get on the bed"
by Im_gay_for_the_egg June 20, 2021
September 22nd is now national fuck your best friend day You can go up to a friend and ask do they wanna fuck or something
National fuck your best friend day means you are able to fuck your bestie for the whole day of september 22 aka a whole 24hrs
by mha characters are hot September 15, 2021