Skip to main content
Dictionary
Store
Blog
World
Help
Advertise
Chat
System Status
Do Not Sell My Personal Information
Information Collection Notice
reCAPTCHA Privacy
Terms of Service
reCAPTCHA Terms
Privacy Policy
Accessibility
Report a Bug
Data Request
DMCA
© 1999–2026 Urban Dictionary ®
Browse A–Z
Add a Definition
User Settings
Definitions by Crankincogs
ILS
Share definition
Flag
Abbreviation for the term Imaginary Latissimi doris Syndrome. A condition held by new
gym
goers where an
invisible
inflation
of the latissimi dorsi muscle is present.
That
guy
must have ILS, he looks
like
he
ate
a balloon!
ILS
by
Crankincogs
June 5, 2016
0
0
Get merch