Skip to main content
Home
Add a Definition
UrbanDictionary.store
Blog
Advertise
User Settings
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z
#
Definitions by Thunderchild
sis
Share definition
Flag
Slang
for
sister
Me and
my sis
went
to
the movies
.
sis
by
Thunderchild
March 25, 2003
0
0
Get merch
Shuffle