For the lack of a better word 

A term used by somebody when they can not quite think of the term they want to use, so they settle for another word or term.

This movie is... scary, for the lack of a better word.

For the lack of a better word by Dequantirius November 15, 2016

Mr Lack 

A guy whose man boobs droop lower than their nutsack.

Example; The Mr Lack who makes you learn prezi in a coding class.

Mr Lack by Pickle Rick September 23, 2018

/b/lack Operations 

A form of Black Ops carried out over 4chan's /b/. It is done for the sole purpose to obtain hard to get information for the intent of lulz and/or Great Justice. Generally, it is usually used for infamous people over the internet that are very good at hiding their information. The /b/lack Operative will receive no credit or record of any of his work done. Generally, the /b/lack Operative will create a fake account and back-story, so as to not give out their true identity, but look authentic.

Victim: "HI, I'M JESSI SLAUGHTER! I'M BETTER THAN YOU, AND I WILL POP A GLOCK IN YOUR MOUTH AND GIVE YOU A BRAIN SLUSHY!"
Operative: *Creates fake Youtube Account*
Operative: "Time for some /b/lack Operations."

/b/lack Operations by [User Unavailable] October 30, 2010

crackle lack'n 

Its a term used to refer to whats Happening,usually in a question.

"Whats crackle lack'n?" which means "whats happening?" or "whats up?"

crackle lack'n by Valentine.A. November 18, 2007

Crust Lack

Crust lack is used by Italian-English to say something they don't understand but can also mean a swear.
Also is used to show lots of hatred to another.
If used wrong can be very offensive to others.

"Man that thing is Crust Lack"
"I swear that Crust Lack better shut his mouth"
"What's that Crust Lack"?

Crust Lack by ItaliaCraft December 7, 2011

Boo Lack Lack

Your boo, your girlfriend/boyfriend. Derived from the tagalog word for flower (bulaklak) it is used as a term of endearment but also can be used in lewd terms.

"The boo lack lack has me on lock down, I can't go to the strip club."

In lewd terms:
"Ay gurl, let me get all up that Boo lack lack."

"So I walk into the restroom and I hear these 2 people boo lack lackin in the stall."

Boo Lack Lack by cjaysez March 26, 2011

For lack of a better word 

Phrase used by people with a limited vocabulary or those who want to get away with saying something obscene in public.

And for lack of a better word, she's a bitch

For lack of a better word by LunaLayla April 18, 2010