'pop out' definitions:

Definition of 'pop out'

From: WordNet
verb
Appear suddenly; "Spring popped up everywhere in the valley" [syn: pop out, burst out]
verb
Bulge outward; "His eyes popped" [syn: start, protrude, pop, pop out, bulge, bulge out, bug out, come out]
verb
Exit briefly; "He popped out for a quick coffee break" [ant: pop in]
verb
Come out suddenly or forcefully; "you stick a bill in the vending machine and the change pops out"