What is Sicky Burp?
1.
The accidental burping up of stomach acid, burning the subject's throat, mouth and nostrils, followed by the impulsive swallowing of aforementioned acid, all within a fraction of a second.
"*burp-gag-gulp* ...ugh, Sicky Burp..."
See
2.
when you burp quite hard and u think u mite follow thru with puke, sometimes you actually do!
burp bleugh!