The term bum blasting comes from the more well known or more commonly used term known as "bum blaster". These terms are often utilized when describing the nature of sexual intercourse between homosexual males.
"Those two homos spend all of there time bum blasting each other. Bum blasting is their life".
An ear that Alex Tilley has, it's the kind if ear with a bum at the bottom of the ear lobe, like a bum chin but just on the ear
Daymmm Lisa..why be such a head bum for? I HATE YOU! Go work out those thunder thighs of yours..
Any sort of tool, shelter, or device crafted from materials easily accessible to the homeless by a homeless person. An example would be a bench press constructed from two wooden crates, a slab of plywood, some rusty bike frames, and a large metal rod fitted with bags of sand or cinderblocks on either end.
"Is that homeless guy fishing with a stick and some pipe cleaners?"
"Yep. That's some serious bum technology"
"Bum-Punch" the battle cry yelled before you playfully punch your partner in the bum. It only counts as a true Bum-Punch if it's yelled or sang seconds before impact.
"you cheeky sod, Bum-Punch!!"
"yelp!"
Female version of the British "Builder's Bum", when a beautiful woman in hipsters crouches forward, accidently/deliberately showing her anal cleft. Similar to "Whale Tail", but irrespective of wearing a thong or g-string.
Look at that Babe's Bum.