Any type of tainted food that is left out and falsely give the impression that is is free and safe to eat. Usually left out by an elderly family member with initial stipulation that it is "Still good" or "Lasts longer than the label".
"Whoa, whoa, don't eat that leftover lasagna in the back, its a Dirty Lemon."
What you call the type of person with a dirty and sour personality.
Person 1: ugh she sucks.
Person 2: yea she’s such a dirty lemon.
What you call someone who has a very stinky and sour personality. Basically someone who actually sucks.
Person 1: ugh she sucks.
Person 2: yea she’s a total dirty lemon
to do anything and everything humanely possible to make someone with whom you interact on a daily basis stop swearing.
mother : Daniel, I literally need to wash your mouth with lemon juice, now; you have a vocabulary problem
son : why should I stop swearing? Make me.
Continually hitting an obstacle or problem.
"I have been driving over that lemon over and over again
To lemon teabag means for a beautiful lady to receive oral with her partners face under her, as in the common phrase taco dip, similar to to the male form of teabagging. See karma sutra positions 170, 146 and 158 for reference.
Why don't you come over so we can watch some david attenborough documentaries and I can lemon teabag you?