Posted: Feb 24, 2019 12:24 am
"They do though, don't they though", a line used in a 90s comedy skit, with a poor Liverpool accent. It makes sense, but is it grammatically correct? 
Lifeboat for the rational mind :D
http://www.rationalskepticism.org/
http://www.rationalskepticism.org/viewtopic.php?p=2682606#p2682606