Main entry: burst out, pop out
Definition: appear suddenly
Usage: Spring popped up everywhere in the valley
Main entry: pop out
Definition: come out suddenly or forcefully
Usage: you stick a bill in the vending machine and the change pops out
Main entry: pop out
Definition: exit briefly
Usage: He popped out for a quick coffee break
Main entry: pop, pop out, protrude, start, bug out, bulge, bulge out, come out
Definition: bulge outward
Usage: His eyes popped