Blow chunks
Definition 1 of 1
Pro Tip 1/3Very Informal
Used in casual or humorous settings, not in polite or formal conversations. 
I can't watch gross movies with my grandma; they make me blow chunks.
Pro Tip 2/3Sense of Disgust
"Blow chunks" often implies a strong sense of disgust, either from illness or a revolting experience. 
The smell was so bad it could make you blow chunks.
Pro Tip 3/3Emotionally Charged
When said with certain intonations, it can convey humor, embarrassment, or regret. 
I'll never drink that much again; I totally blew chunks.