Used commonly by football hooligans, 'I'll slice you open like an envelope' can hint that the person saying the phrase is carrying a knife and intends to use it lethally on the person they are saying the phrase too. Can also mean that the person it's being said too acts 'big' and 'untouchable' and the person saying it is easily going to beat them up.
'Threat'
Football hooligan- 'you think you can take me on?'
Opposing team football hooligan- 'I'll slice you open like an envelope'
The appearance of a bbw's vagina while she is bent over in the doggy style position.
Billy Bob took that fat chick home from the bar last night. He sent me a pic of her hatchet slice. It looked rather tight.
*Kimbo Slice bobbing and weaving*
Coetsch : GET HIM, FERG
A slit/ scar cut in someone eyebrow.
Yo man what’s with that gangster slice in your eyebrow
A person who is bland, plain, or devoid of any character whatsoever.
John’s cousin is like a white sliced piece of bread; he’s fucking boring.