this happens when a person sticks their penis in a can of bean dip and makes a girl suck it off
dylan-"hey did you get that dirty bean last night??"
Combination of "dirty" as in "dirty secret", and "beans" as in "spill the beans". As in share with us your secret.
Girl: "Honestly though, looking back, I think I can say I'm happy with what I did."
Boy: "Well, then you have done as good as you can for a first pass - no regrets."
Girl: "Hey, I didn't say there are no regrets. There are several."
Boy: "ooo dirty beans
Due to a specific young man's geneology ,it has become neccessary to refer to him as a Bean , rather than a Beaner. This is due in part to his mother's hispanic heritage, and his father's lack-ther-of.
1~Friend: "Hey Bean, why don't you run track?"
2~Bean: "I'm not a fucking mexican!"
1~Friend: "Did you see Farris' car"
2~Other Guy:"Yeah man, it didn't have any hubcaps!"
3~Bean(as he walks up to join the conversation): "Hey guys, wanna buy some hubcaps?"
1~Friend: "Where'd you get those?!"
3~Bean: "Oh these? These are what I call the punishment for cheating on my best girl!"
2~Other guy: "Damn you! Dirty Bean!"