tìm từ bất kỳ, như là bangarang:
 
1.
To do something on the sly is doing something sneakily, like a ninja.
"Check it out, I stole this on the sly."
"I'm skiving off school, on the sly of course."
viết bởi Naevai 03 Tháng tư, 2009
 
2.
To be on the sly, the active of sly. You can do something on the sly, maybe stealing something funny and legendary, like mine and Jimbo's road bollard. You could also have 'slying it'
"We took that bollard on the sly"
"Tonight we're slying it/on the sly"
"Come on lads, here we go, on the sly on the sly"
viết bởi Ybot 09 Tháng mười hai, 2005