The quality of wearing an outfit that is simultaneously sexy and cute, but never simply one or the other. Used to describe many Japanese-influenced fashion styles, such as certain lolita-inspired outfits, as well as schoolgirl outfits of both the Japanese and "Catholic" varieties, and many others. Generally used to refer to something that is simultaneously adorable and erotic to any degree.
Sexicute can be used as a verb (especially with the past participle -ed: sexicuted) or as an adjective, describing the act of making a thing both sexy and cute, or to describe the general quality of a thing.
A girl or girlfriend who is very cute and playfull on the outside, but on the inside a sexual hungar burns with the flame of a 1000 orgasmic desires, that will consume all the energy you've got. She'll satisfy you in every way you can imagine, and is highly ready for any type of sexual play.
Dude my girlfriend gave me a hug, and then ripped her pants off and begged me to spank her!!!! She is a total sexkitten!!!