look up any word, like spook:
 
1.
The small burp shortly following a fairly large burp.
Person 1: *Large burp*
Person 2: "Jeez, that was a huge burp."
Person 1: "Hang on, I'm waiting for the afterburp."
by Dtrippy May 31, 2010
 
2.
The hiccup that comes after a burp
Barney: You got the hiccups?
Fred: Nope, it was just afterburp.
by KBooogie February 06, 2011