And I suppose sports cheers would count, but they're rather specialized to very small subcultures.
-CapriUni

Well, I suppose when measured by the rest of the world's folk culture products, United States children's cheerleading cheers are a "very small subculture". But, in my opinion, many of them are delightfully creative.

Check out these different versions of the same rhyme that were sent to my website:
http://www.cocojams.com/cheerleader_cheers_V.htm :
   
Victory (Version #1)
Me and my volleyball friends made this up....:
V (Clap Clap) V.I (clap clap) V.I.C.T.O.R.Y! HOLD THE V (put arms above head in V formation) DOT THE I (Put right arm out in a right angle) ROCK THAT CTORY! (Shake hips back and forth) repeat as many times as you want!
-Kerry {Colorado}; 7/8/2006

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Victory (Version #2)
I learned this one because my friend wouldnt stop saying it, Give me a V dot the I curl the C TORY! Victory! (clap, clap, clap) Victory!
-Mika; 3/27/2007

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Victory (Version #3)
okay the cheerleaders from my school know this cheer, and i didnt see it on the list so i decided to add it. its really cool! its simple and fun.=) cheerleaders or group of people SAY; " V I C T O R Y, (spelling out victory) WHAT'S THAT ______ (SCHOOL NAME OR MASCOT) BATTLE CRY!" then the crowd or fans or whatever spell out; " V I C T O R Y.(spelling it out again)......THATS THE (SCHOOL NAME OR MASCOT) BATTLE CRY." here's an example of my school's mascot and team name. cheerleaders- V I C T O RY(spelling it out) WHAT THATS WARRIOR BATTLE CRY? FANS/CROWD- V I C T O R Y
(spelling it out again)....THATS THE WARRIOR BATTLE CRY. at pep rallies, u yell it at every grade level and whoever has the loudest answer wins little candies or sumthin. u dont have to give them anything. another way to make this more exciting is to allow the kids to stomp their feet on the bleachers when shouting back to you. have fun and it use it
-katherine s. {corpus christi, texas} 8/24/2008

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Victory (Version #6)
With this you start really soft while clapping and stamping then you get louder and louder until your screaming and jumping. V-I-C, V-I-C, V-I-C-T-O-R-Y VICTORY VICTORY IS OUR CRY V-I-C-T-O-R-Y. V-I-C, V-I-C, V-I-C-T-O-R-Y VICTORY VICTORY IS OUR CRY V-I-C-T-O-R-Y. and repeat
-Naomi; 2/18/2009