diff --git a/dot_tmux.conf.tmpl b/dot_tmux.conf.tmpl
index 09546a0..10b3bd7 100644
--- a/dot_tmux.conf.tmpl
+++ b/dot_tmux.conf.tmpl
@@ -110,6 +110,9 @@ bind-key M-4 send-keys "$FAVORITE_COMMAND4"
 # sshm popup
 bind-key C-s display-popup -E -w 80% -d "#{pane_current_path}" "sshm"
 
+# disposable terminal
+bind Space display-popup -E -w 80% -h 80% "tmux kill-session -t popup 2>/dev/null || true; tmux new-session -d -s popup -c '#{pane_current_path}' \\; set-option -t popup detach-on-destroy on \\; attach -t popup"
+
 # Reload tmux config
 unbind r
 bind r source-file ~/.tmux.conf \; display-message "tmux config reloaded!"