A completely ironic phrase commonly used to define someone who does something mildly cool or impressive. This phrase should never be used seriously, as it ruins the joke, and makes you look retarded.
Lil cheggos, you sly dog you!
by DudeishBroski November 14, 2018
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When attempting to sit next to a particular person in a University of Sydney Economics lecture, this move should be undertaken. It involves isolating the person prior to the lecture, then walking up to person in a way that they will not see you (although if that happens, it can't be too bad). Once behind this person, follow them into the Economics lecture, thus following them into the row they decide to sit in, THUS, sitting next to them.
Finito.
Perfecto.
A1: Should I use the sly walking behind her move?
A2: Yes.
by pavmeister April 04, 2011
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When others look tired so you help them sleep
My girlfriend looked tired so I gave her the ol' penguin sly choke her ass out.
by Penguin sly March 21, 2021
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To talk that sly shit means to talk shit about someone, without them knowing.

(Sneak dissing, shit talking, talking shit)
"That pussy was talking that sly shit, I'm gonna fuck him up"
by Fuckyou11111111111 February 27, 2018
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Another word for a monkey who picks his ass and flings shit!
Oh look at that sly boy over there hanging upside down from that tree limb over there, he is just swinging away on that wood!
by RomanHi5 September 03, 2020
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