1.A slang word used towards a mean, cranky old person.
2. used to denote a aged person, who drives REAL slow.
"i was behind this crouton in line today, she was such a foul acting hag, she treated the sale's person like crap."
anotherexample, "my god, can you believe this crouton?, shes going 25 mph below the speed limit.."
Terrible dressing. A tragically desperate attempt to be hip. Very common in high temperature climates among males 40-50 years old. The act of being mad stale, getting worse.
Sheila: Honey, let's go! We have reservations at RA in twenty mintues.
Barry: Hold it...I'm almost done. Balding frohawk....check.
Medium Ed Hardy....check. Gleaming forehead....present. Crouton status complete. Let's do this!