Skip to main content
{document.getElementById('search-input').dispatchEvent(new Event('input',{bubbles:true}));document.getElementById('search-input').focus()})}else{location.href='/random.php'}">
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 spintas
Brainus
Share definition
Flag
One of three categorizations of an answer (other two: anus and brain--see
definition
);
meaning
you are not
100% certain that your answer is 100% true
"
Lions
can run
100 mph
."
"Brain, Brainus, or Anus?"
"
Ummmm
, Brainus."
Brainus
by
spintas
July 28, 2012
0
0
Get merch
Shuffle