4~

Text and messaging speak for the phrase "for sure". The ~ (tilde) represents a wave coming into the shore.
This was adapted from a hand gesture where one would put 4 fingers up and then mime a wave with that arm coming in to meet the shore, which is the other arm.
Jim: coming tonight?
Fred: 4~
by Sean Benson May 15, 2007
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:4

A symbol when turned on it's side, looks like a very unhappy man wearing a beakmask. It is just simply called beakface.
Miranda: Ugh, I don't want to do all this homework.
Nate: Ugh, I know :4
by Miranate December 22, 2010
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<4

The <4 is similar to the <3. It is just a heart with a little more meaning to it. The 4 stands for 4 ever/ forever.
by Cprim<4 October 26, 2012
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#4

Oral sex performed on a woman. The term is believed to have originated from the extra value meal menu at McDonalds (Filet-O-Fish was the #4).
What I'd give for a cold sparks and a #4 right now!
by Baby_Sasha January 15, 2007
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<4

Originally a typo of the commonly used emoticon <3, <4 is now used to convey a love so great that <3 simply cannot explain it.
Person 1: I love you. <3
Person 2: I love you MORE! <4
Person 1: :: Giggles and hugs. ::
by Sephylight March 05, 2005
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The 4

Sexual position where the man lies on his back and the woman positions herself perpendicular to the man before giving him a blowjob. The man then reaches up and fingers her as she goes to town on his cock. A birds eye view of the pair reveals the shape of the number 4. The 4 is superior to the 69 because nobody has to put their nose in any assholes.
-"Your Grandma is sexy, I wanna 69 her."

-"You should do The 4, it's way better."
by J_Cut February 06, 2011
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<4

A symbol used when someone uses a 4 instead of a 3 when making a heart symbol <3. This can be done on accident making the user look stupid or it can be done on porpose meaning the user more than <3's them.
Tiffany - "Okay. See you then - <4"
Mike - "You're an idiot."

Jen - "I love you more than anything in the world. <4"
by cpaul1850 November 09, 2011
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