The substance which Cackletta's most favorite student, who is named Fawful will spread on the sandwich of said bad guy's desire. The mustard of Mario and Luigi's doom

As in good, not as food but naming or calling something 'mustard' means this is good.

Another slang word for money, similar to 'cheese'.

Good, Pleasing to oneself, exciting

A tangy sauce often put on hotdogs and hamburgers. Called mustard because it is in fact the same color as mustard

British slang, originating from Pilsley, Derbyshire: A weak expletive which shares both its definition and conventions of use with the word bastard. Originally, "mustard" was used to refer to a child born out of wedlock, but through a process of semantic broadening, it is now mostly used as a general pejorative term. It can be used both as a noun (see example one) and an adjectival intensifier (see example two). The word bastard is used in precisely the same way. As an antidote to your ignorance, other examples of intensifiers are: fucking, bloody, chuffing, sodding, etc.

otherwise known as mus-tard. combination between muslim and tard. Derogatory term towards muslims, which is often used as a joke rather than a serious insult.

A "code" word for sexual intercourse, sexual appetite, male ejaculate, female ejaculate, all things good! Sometimes we even use it in context, its just simply mustard.