In the most general sense, anything crustless is the outcome of an intensified suburban culture. The term "crustless" itself refers to the act of cutting crust off of a sandwich in order to make it more palatable for a crustless child. But the sandwiches are just the beginning. Being crustless is a lifestyle, not just a way to eat...see thecrustless.blogspot.com for good examples
"Did you see that kid'szip-off pants? Those are so crustless!"
a random drunk bitch who comes up to an individual asking where she can pee- cigarets in hand no less- and then proceeds to demand your pizza, refuse to hear the word no, and then steal it anyways. often has a unibrow and a fupa.
"dude, that crust scavenger is looking to piss on a dumpster, and she just took my fucking pizza"
“Daaammmnn yo look at them crust busters!!”
“I was at my girls house last night about to get my freak on and I pulled them socks off and she was rockin with some crust busters”