Ye can properly pronounce McConnochie, Ecclefechan, Milngavie, Sauchiehall St , St Enoch, Auchtermuchty and Aufurfuksake. 
Yer used tae four seasons in wan day. 
Ye kin fall about pished withoot spilling yer drink. 
Ye measure distance in minutes. 
Ye kin understaun Rab C Nesbitt and know characters just like him, in yer ain family. 
Ye kin make hael sentences jist wae sweer wurds. 
Ye know whit haggis is made ae and still like eating it. 
Somedy ye know his used a fitba schedule tae plan thur wedding day date. 
You've been at a wedding and fitba scores are announced in the Church/Chapel. 
Ye urny surprised tae find curries, pizzas, kebabs, fish n chips, iron-bru, fags and nappies all in the wan shop. 
Yer holiday home at the seaside has calor gas under it. 
Ye know irn-bru is a hangover cure. 
Ye actually understand this and yurr gonnae send it tae yer pals. 
  
Finally, you are 100% Scot if you have ever said/heard these words; 
  
how's it hingin? 
clarty 
boggin 
cludgie 
pished 
wee beasties 
erse bandit 
amurny 
away an bile yer heid 
peely-wally 
humphey backit 
Ba'-heid 
baw bag 
dubble nugget 
  
And finally ...... 
  
On a wintry day a wee Glesga wumman goes intae a butcher shop, where the butcher has just  
came oot the freezer, and is standing haunds ahent his back, with his erse aimed at an electric fire. The wee wumman checks oot the display case then, pointing at a tray, asks, 'Is that yer Ayrshire bacon?'  
'Naw,' replies the butcher. 'It's jist ma haun's ah'm heatin'.