undervite
the most minimal form of an invitation, but not quite reaching the level of an unvite. used to make an offer, while indicating that ones presence is not mutally desired. frequently used by a couple to a potential third wheel. commonly phrased by using "if you want."
me: kim and i are going to the bar around ten. you can come too, if you want.
you: dude, that was such an undervite.
you: dude, that was such an undervite.