diff --git a/plugins/available/explain.plugin.bash b/plugins/available/explain.plugin.bash
new file mode 100644
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+++ b/plugins/available/explain.plugin.bash
@@ -0,0 +1,24 @@
+cite about-plugin
+about-plugin 'mankier.com explain function to explain other commands'
+
+explain () {
+  about 'explain any bash command via mankier.com manpage API'
+  param '1: Name of the command to explain'
+  example '$ explain                # interactive mode. Type commands to explain in REPL'
+  example '$ explain 'cmd -o | ...' # one quoted command to explain it.'
+  group 'explain'
+
+  if [ "$#" -eq 0 ]; then
+    while read  -p "Command: " cmd; do
+      curl -Gs "https://www.mankier.com/api/explain/?cols="$(tput cols) --data-urlencode "q=$cmd"
+    done
+    echo "Bye!"
+  elif [ "$#" -eq 1 ]; then
+    curl -Gs "https://www.mankier.com/api/explain/?cols="$(tput cols) --data-urlencode "q=$1"
+  else
+    echo "Usage"
+    echo "explain                  interactive mode."
+    echo "explain 'cmd -o | ...'   one quoted command to explain it."
+  fi
+}
+