You might have aids, sorry.
my butt cheeks are burning
To burp on command, you can try swallowing air to build up gas in your stomach and then releasing it by contracting your diaphragm. Some people find success by drinking a carbonated beverage or swallowing air and then forcing it back up by using their throat muscles. Practice and patience may be needed to master the technique.
You could be embarrassed
oxygen is necessary to keep anything burning...
Keep the Giraffe Burning was created in 1978.
The ISBN of Keep the Giraffe Burning is 0586047573.
stuff cotton wool in your cheeks
Keep the Giraffe Burning has 205 pages.
but cheeks
Keep Our Fire Burning was created on 2004-06-14.
Keep This Fire Burning was created on 2002-11-26.
I'll Keep the Lovelight Burning was created in 1949.