It means quit sagging. Seriously guys, nobody wants to see your underwear.
Edward: *has his shorts all the way down to his knees*
Thomas, visibly disgusted: Edward, please. Show yo gains, not yo Hanes.
A slimy, viscous string of nose cheese, the consistency of craft glue or thick maple syrup, that has a pleasantly elastic quality to it, allowing you to bounce it up and down from the end of your finger like a yo-yo. Best experienced only with close friends and family, not suitable for parties or somber gatherings.
This cold has me knocked out, but at least I got some good snot yo-yos to show for it.
Bobby: yo yo yo chicken
Sally: Pulls out a gun
A girl that keeps returning for the D.
Your girl is leaving.
Don’t worry she’s a yo-yo girl she’ll be back for this D.
The act of pushing and then puling a turd in and out of your butthole, as if your turd was a "brown yo-yo."
Hey man, you wanna play Brown Yo-Yo?
What in the actual hell are you asking me this time?
You gotta yo-yo a turd in and out of your asshole. Whoever can last the longest without letting it out wins!
...
A woman sporting an extremely large cameltoe in an international airport!
Hey check out her cameltoe she is a yo-yo smuggler for sure!