A term coined by a Youtuber named Bricky, formed in reference to the ludonarrative and disheveled parts of the Uncharted game series and its story. It is an acronym used to refer to nonsensical moments of a form of media that an audience knowingly and willfully ignores, perhaps out of enjoyment of the media, or simply not giving a shit.
b.s.w.a.m.i.s.i.m.i.w.i- But stay with me a minute, I swear I'll make it worth it. The phrase means of telling someone to wait for her and if she's finally good she will do anything to prove that waiting for her is worthy.