1.A thick drssing used commonly for food such as chicken tenders/nuggets
2.Also used for sexual enjoyment; main use on large breasts, as well as a big ol' onion booty.
DAN: Wowwww look at that ass
Kyle: I'd love to slap some honey mustard on that!
Girl bends over while exhibiting nice breasts
Boys exclaims "honey mustard!!!"