sneak in(to someplace)

sneak in(to someplace)

To enter some place in a quiet, sneaky, inconspicuous, or furtive manner. The burglar snuck in without making a sound. Marty came sneaking into the classroom, late as usual.
See also: sneak

sneak in(to some place)

to enter a place quietly and in secret, perhaps without a ticket or permission. The kids tried to sneak into the rock concert, but they were stopped by the guards. Never try to sneak in. Sometimes they arrest you for trespassing.
See also: sneak