keep an eye peeled
Verb
Meaning
keep an eye peeled (third-person singular simple present keeps an eye peeled, present participle keeping an eye peeled, simple past and past participle kept an eye peeled)
(idiomatic) To look out (for something) attentively.
Keep an eye peeled, you never know when the ice-cream truck will pass by.
Synonyms
look out
watch out
be on the lookout
keep one's eyes skinned
keep an eye out
keep an eye skinned
keep a look-out