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1.
a stomach ache that a girl gets after she swallows cum
"I have the worst cummy ache after blowing Johnny like 10 minutes ago"
by The One and Only Jam Masta J March 25, 2007
 
2.
The after effects of swallowing too much cum.
Tera is such a gulper, she always has a cummy ache.
by cdogberg November 17, 2009