"Does what it says on the tin"...

[Mister Obvious]

I fucking HATE this saying.

If you ever need to get bitchslapped, come up to me and say it to my face.

[Mister Obvious]

People say it about things that aren't even packaged in tin, and that really pisses me off.

[Mister Obvious]

(((Angry typing)))

[somethingelseishere]

Hahahahahaha!!
Brits and Aussies call canned goods "tins".

I call 'em cans, cuz... 'Murica!

[Guest]

you sure have some crazy random shit to say lady , have a drink

[Nunk]

I fucking HATE this saying.

If you ever need to get bitchslapped, come up to me and say it to my face.

EVERYONE IS FAAGGOT WITH TO MUCH TIME AND NEED SLAPP! SLAPP ALLOFTHEM MIsddter OBbios! 

DUMB CUNTS OPEN MOUTS AND HOWL OF DAMNED SPIL ONTOO ERTH > SLAPP TO THEM!

[user328]

It's a figure of speech. It doesn't have to refer to a packaged product at all.

The use of an archaic packaging material like tin lends the expression that aura of historical authenticity that surrounds all old sayings.

[Mister Obvious]

EVERYONE IS FAAGGOT WITH TO MUCH TIME AND NEED SLAPP! SLAPP ALLOFTHEM MIsddter OBbios! 

DUMB CUNTS OPEN MOUTS AND HOWL OF DAMNED SPIL ONTOO ERTH > SLAPP TO THEM!

Truuuuuuue...

[user328]

"Does what it says on the resealable pouch."

[somethingelseishere]

"Does what the guy selling it out of his trunk says it does..."

[Mister Obvious]

I like that one way better lmao.