Not doing anything
Liam: 'What you doing tonight, Ad?'
Adam: 'Bum all just chilling'
When your friend pays too much attention to your arse; they're a bum shark.
(Playing Call of Duty) Hey Logan why are you swimming so close behind me in the water? Are you a bum shark?
A condition in which your asshole discharges frequently in a liquid form. Commonly occurs when you eat off the streets in Bali.
Oh shit Roy, I’ve me the case of wee bum
The possibility to turn off your ass when you need a shit in class
Olivia needed a big smelly shit in class but wasn’t aloud to go so she used her bum switch
The worst kind of liquid diahorrea
I wouldn't go in there if I were you, Sean's just been in there and got Bum Pepsi all over the back wall
Karen has been ill for weeks bless her, I didn't have the heart to tell her she's got bum Pepsi all up the back of her dress
I was doing Mikes washing the other day and his Y-Fronts were completely covered in Bum Pepsi
That's the last time I felch Norris again, I ended up with Bum Pepsi running down my chin
An aggressive act of sodomy used as a method of catharsis or to exact revenge.
As he watched Lee crash about the house in a beer-fuelled fury, Joe correctly feared that he would later be a victim of a drunken rage bumming.