squirtsquirt1 /skwɚt/ verb 1 [intransitive, transitive] if you squirt liquid or it squirts, it is forced out of a narrow hole in a thin fast stream: Orange juice squirted onto her dress. You need to squirt some oil in the lock.2[transitive] to hit or cover someone or something with a stream of liquid: The children squirted each other with the hose.