It means experiencing extreme joy. "Beside" was formerly (15th through 19th centuries) used in phrases to mean "out of a mental state or condition, as 'beside one's patience, one's gravity, one's wits'" (Oxford Engl. Dict.), and that use survives only in "'beside oneself': out of one's wits, out of one's senses."
"Beside himself. Why do we describe a distraught person as being 'beside himself'? Because the ancients believed that soul and body could part and that under great emotional stress the soul would actually leave the body. When this happened a person was 'beside himself.' This same thought is to be found in 'out of his mind'; and in 'estasy' too. 'Ecstasy' is from the Greek and literally means 'to stand out of.'" From "Dictionary of Word Origins" by Jordan Almond (Carol Publishing Group, Secaucus, N.J., 1998).
Source: The Phrase Finder
(The idiomatic phrase "to be beside oneself" means to be anxious, upset or disturbed.) "After my dog wandered off, I was beside myself with worry."
a phrase meaning laughing to myself coined by Dwyane Wade. http://www.facebook.com/video/video.php?v=1493863391412
thorough
Para and con are two prefixes meaning "with" or "beside." Con can also mean "against."
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Speechless with bewilderment. Dumbfounded with a tad bit of shock.
(The idiomatic phrase "to be beside oneself" means to be anxious, upset or disturbed.) "After my dog wandered off, I was beside myself with worry."
Beside Myself was created in 1989.
when my wife died i was beside myself with grief
Beside Myself the Sequel - 2012 was released on: USA: 20 July 2012 (internet)
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The cast of Beside Myself the Sequel - 2012 includes: Tori Vild as Allison Meron
The cast of Beside Myself - 2013 includes: Dominick Aznavour as Jeff Morgan Lester as Sarah
In the sentence, "Jenny was sitting beside the tree." the prepositional phrase is "beside the tree."
a phrase meaning laughing to myself coined by Dwyane Wade. http://www.facebook.com/video/video.php?v=1493863391412
When I get carried away.
Beside is a preposition. Stood is the past tense of stand.