From en.wiktionary.org:
[swag]
** English
*** Pronunciation
- [en]
*** Etymology 1
Acronym of various terms.
**** Noun
[en-noun]
1. [en] [en] [en] [Used humorously to indicate that an estimate was more of a guess than the result of any stringent data analysis .]
***** Related terms
[en]
**** Proper noun
[en-proper noun]
1. [en] .
*** Etymology 2
From [en], an English slang word, in the mistaken belief that it originated as
an acronym ("stuff we all get" or similar). For the true origin of the word,
see [en].
**** Noun
[-]
1. [en] [en] [handouts, freebies]
*** Anagrams
- [en]