Used to express a lack of care or exasperation in context to promiscuous and/or sexually indiscriminate activities. Uses a prefix of "slut" instead of the formal "what".
Girl 1: I lost my sweater and dignity at that party last night Girl 2: Slutever, it happens.
Boy 1: Yo I fucked her Boy 2: Bro, most of us have
Boy 1: Shit ain't that grimy though?
Boy 2: Nah, slutever.
A manner in which to dismiss something totally if one wishes to be more forceful than what is gained by simply stating, "Whatever." Gives it a little kick and ambiguously insults the victim.
a combination of the commonly used phrases shut-up and whatever. This word simply tells someone to shut-up while at the same time dismissing what they've said, hence the 'whatever'.