lsa 

Lobe Separation Angle.
The angle between the centerlines of two adjacent intake and exhaust cam lobes. lsa is measured in degrees.

The cc306 cam i just bought for my LT1 has an lsa of 112.

lsa by heath lewis October 20, 2008

LSMIC 

Laughing So Much I'm Crying

Created by thewinekone

Matty: Hungry Hungry Hippos sucks. Who would want to watch a bunch of hippos swallowing little white balls?

Gabbie: LSMIC!!!

LSMIC by ramunematt October 23, 2007

Ls

(pl. noun) Shorthand for drivers licence.

I can't wait till I get my Ls.

Ls by QZKotl January 15, 2004

LSHMFH 

Laughing So Hard My Face Hurts

A fun night with friends may cause people to be laughing so hard it makes their face hurt, LSHMFH

LSHMFH by Mgoo2 April 16, 2009

lsimhbiwafefmtlol

Laughing silently in my head because it wasn't actually funny enough for me to laugh out loud

Wanna hear a joke?

*yeah go ahead*

why did the chicken cross the road?

*dunno*

to get to the other side LMAO

*lsimhbiwafefmtlol*

huh?

*xD*

lsimhbiwafefmtlol by iKrayzee July 17, 2011

LSD

A badass jewelry line made by Lana Scolaro

Yo man, where do I buy an LSD bracelet and Sspython

LSD by sw!m November 8, 2016

Lsy 

Meaning anything and everything, in a sarcastic tone, said with forced emotional tone.

Pronounced Lis-ee

"Did you see Jonathan today? He looked so Lsy."

"Dude, I was so f*cked up last night. That party was soooo Lsy."

Lsy by HeyNowYoureAnPaulMar September 20, 2017