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on the sly 

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"
on the sly by Ybot December 28, 2005

macking on the sly 

Covert flirting between two people. Because they have to keep their true feelings for each other secret, for whatever reason (i.e. they work together, one is married, etc.).
"Those two can't seem to stand each other! They're always fighting over something!"

"Wrong, man. It's all a front they put up. They're actually macking on the sly."
macking on the sly by D. Gould March 8, 2006

Susan on the Sly 

A secondary girlfriend, one that is around constantly and annoys you and your personal friends.
Heather - Hey can I have your boyfriends friends phone number?

Girlfriend - No, he says you are a Susan on the Sly

sex on the sly

Cheating or trying to cheat when you have a spouse or significant other. Those looking for sex on the sly are liars and cheaters.
Nancy: Did you hear? Monty's lookin' for some sex on the sly. Jack saw him hit on a girl at the club.

Alice: You mean Monty, Sally's husband?!

Nancy: Yeah, can you believe it? He seemed so sweet and caring to her. Go figure.

Alice: Uh huh, another cheater.
sex on the sly by mad megawoman August 6, 2011

funiosity 

The art of being peculiar, but in an amusing fashion.
"Wow, look at that dog running on three legs"
- "Yeah, that sure is a funiosity"
funiosity by Supersonic Stevie November 23, 2007
Word of the Day on July 25, 2026
A toe rag was originally a foot wrapping used, since mediaeval times up until the mid-nineteenth century, to protect the foot from chafing by boots or shoes. As these were, quite literally, rags they weren’t usually washed, and so with use they became very smelly until they were thrown away. Because of the similarity in smell, toe rag also became the name applied to dried, salted cod or other things with a strong, unpleasant, fishy smell. It didn’t take that long before the name was applied to someone who was an obnoxious, unpleasant OIC.
1 “Socks! Those aren’t socks you smelly git, they’re toe rags!”
2 “What have you been cooking? Smells like toe rag!”
3 “I can smell ‘er fanny from ‘ere, proper toe rag.”
4 That Heale Malcolm is a right toe rag.
Toe Rag by AKACroatalin November 29, 2016
Word of the Day on July 24, 2026