Wiktionary
all-day sucker
n. An extra-large lollipop.
WordNet
Usage examples of "all-day sucker".
He crouched down a moment to moisten himself, darkening the flag-red gym pants, and with his right hand improved his grip on the net with the tin cans -- but what about the all-day sucker?
Why was she such an all-day sucker for the Gary Murphys of this world?
Garfinkel turned the door's all-day sucker and motioned the party inside.