Merge pull request #2488 from taboege/WAT-glossary

Add WAT to Glossary

doc/Language/glossary.pod6

@@ -454,6 +454,7 @@ inside an L<EVAL> is also considered a compunit.
 X<|DWIM>
 
 I<Do What I Mean>.  A programming language designer motto.
+The opposite of a DWIM is a L<#WAT>.
 
 =head2 flap
 X<|flap>
@@ -1206,6 +1207,13 @@ L<bytecode|#bytecode>.  It can optimize the bytecode or generate machine code
 Just in Time.  Examples are L<#MoarVM>, L<#Parrot> (who are intended to run
 Perl 6) and more generic virtual machines such as JVM and Javascript.
 
+=head2 WAT
+X<|WAT>
+
+The opposite of a L<#DWIM>; counter-intuitive behavior. It is said
+that to every DWIM there is a corresponding WAT.
+See also L<https://www.destroyallsoftware.com/talks/wat>.
+
 =head1 whitespace
 X<|whitespace>