by clossacsarman January 10, 2015
the other woman; also known as the mistress; a female that is neither a male's wife or girlfriend who has relations with the male while he is in another relationship
Kimmy: Look at Tina and Josh...are they going out?
Sally: No Kimmy! Josh is dating Laura. Tina is just his sidechick.
Sally: No Kimmy! Josh is dating Laura. Tina is just his sidechick.
by iamwifey January 17, 2007
by FluffyMan20 January 27, 2016
a man have his wife and he as another girl that is not his wife nor his girlfriend so that girl is his sidechick
by brianna graham from cdwn March 19, 2016
A position allocated to a girl which is neither a wifey or a girlfriend but a side dish like nandos rice
by anonalie July 18, 2013
sidechick is known as the mistress; a female that is neither a male's wife or girlfriend who has relations with the male while he is in another relationship
by sammicakes1202 July 04, 2019
by Hi I'm bobbob November 22, 2018