Associations to the word «Sis»

Wiktionary

SIS, noun. (informal) Shortened form of sister.
SIS BOOM BAH, interjection. An exclamation of encouragement
SIS BOOM BAH, interjection. (dated) The characteristic sound made by a firecracker.

Dictionary definition

SIS, noun. A female person who has the same parents as another person; "my sister married a musician".

Wise words

Language is a process of free creation; its laws and principles are fixed, but the manner in which the principles of generation are used is free and infinitely varied. Even the interpretation and use of words involves a process of free creation.
Noam Chomsky