a special day every 4 years on the 16th october where a congreunt of people gather in Trafalgar square in london waving a variety of dildos and sex toys. participants may also be named "bellmitsphariens". a truck is also on scene with a massive ladies finger on top to make sure no one gets hurt.
"alright mate are u boppin belmitsfa this year. its gna be so good bring loadsa batteries init g."
"ok mate ill see u der u wearing u bellmitspharien woggle?"
"yh g feel?"