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3.
ILS
I.L.S. or Imaginary Lat Syndrome is an ailment suffered by men who walk around with thier arms further away from their lats (latimus dorsi), the muscle on the side of thier torso, to create the illusion that their lats (and physiques) are much bigger than they are.
Did you see Leah's new boyfried? The kid's got I.L.S. He think he's big but he's only like a buck fifty.
by People Skills May 18, 2004
50 38
 
1.
ILS
Acronym for Inflated Lat Syndrome. ILS is a primal threat/mating display observed in the human male. The ILS display involves the male human holding out it’s arms away from it’s body at approximately a 20-40 degree angle and then walking with a slow deliberate gait inorder to look more imposing to other humans. The posture is used primarily as a form of non-verbal communication such as a mating display to attract or impress females or as a defense or dominance posture to appear larger to a threat or to intimidate rival males.

ILS displays can be observed :
In the gym after an insecure male works out for 3-5 minutes.
On the beach when a single male approaches a group of females.
When a male enters a bar or dance club.
When a male is too scared to throw the first punch in a fight.
On the outside of mosh pits by the bouncer who’s had enough of sweaty punks bumping in to him.
Dude. Check the wigger with ILS and a bad attitude coming through the door, he must think he’s the shit or something. Lets kick his ass later.
by Trav October 27, 2004
221 54
 
2.
ILS
Invisible Lat Syndrome. Guys who walk around thinking they're the man. Their arms are spread so far out that you cannot see their latissimus dorsi.
Look at this fool walking into gym class. He is only 15 inches wide but somehow he cannot fit through the doorway. Don't touch him, you might get ILS.
by jesusofmobile April 19, 2008
41 23
 
4.
ILS
Invisible Lat Syndrome.
Usually ILS sufferers are guys that refuse to work out, but nonetheless hold their arms out at about a 45 degree angle from their body as if to say "hey it's hard bein' this ripped" Also called "the cobra" Often times coupled with the very popular IGS or Invisible Girdle Syndrome.
by clockstopper September 26, 2006
26 20
 
5.
ILS
Instrument Landing System

It is used in aviation, typically on bad IFR days. I HATE using the ILS because there's no skill...

Some operators require a landing with ILS, and some European airports do too.

I prefer doing NPAs or RNAV approaches...

The ILS catches usually around the Mode C Veil - 30 to 50 NM from the airport.

Usually only Class B Airports have ILS systems, but some Class C airports have Cat I systems...
Me: Hopkins Tower, this is Delta 4558 inbound, full stop, ILS landing...uhh Delta 4558

Them: Roger, standby Delta 4558

Me: Roger, Standby
(5 mins later)

Them: Delta 4558, cleared to land 24R, you are number two. Winds 250 at 10, altimeter 3021.
by FO Jim May 13, 2012
4 3
 
6.
ILS
Short for "Instrument Landing System"

A system used by airports/commercial aircraft for facilitated landing; specially useful in low visibility conditions.
"Peason Int. airport is equipped with category III ILS"
by Xerxar February 07, 2012
3 5
 
7.
ILS
Inflated Lat Syndrome. What people who don't lift weights say about people who actually do, usually out of jealousy. Typically used by smaller weaker males as a trite and petty insult to more physically superior specimens in the presence of females.
Girl: "Man that guy is huge"

Scrawny Guy: "Yeah he has a bad case of ILS."
ILS Guy: "You say something bitch?"
Scrawny Guy: "Nope..."
Girl: "So how much do you bench?" ;)
by Cheetolord October 25, 2011
17 24