peas in a pod 

NOT "invented by internet forum users." It's a phrase that's been in use for a couple hundred years. It means alike with a connotation of close. Like BFFs that have exactly the same tastes and wear the same clothes.

"Those two are just like peas in a pod."

peas in a pod by Mysteria Sleuthbedder August 29, 2016

peas in a pod 

A term invented by internet forum users in 2007, roughly implying that two subjects are similar to one another.

"Those two act exactly the same."

"LOL! Like totally peas in a pod, yo."

peas in a pod by English4Life March 1, 2009

peas in a pod 

teresa alinan and joshua segal

tes and josh are inseperable like peas in a pod.

peas in a pod by peas September 4, 2008

two peas in a pod

two people getting along really well

lani and makayla are like two peas in a pod when theyre together

two peas in a pod by arthurloveskids November 6, 2018

2 peas in a pod 

Very similar, a couple made for each other

Look at Abbie and Hunter, they're like 2 peas in a pod.

2 peas in a pod by Hevans025 September 22, 2009

two peas in a pod

literally 2 biffles who can live in a pod.

In other words, very similar people!

biffle boy: we're like those peas in those pods that come in two!
biffle girl: you mean, " two peas in a pod! "

two peas in a pod by andyouandme January 15, 2010

Two Peas in a Pod

The unbreakable, ironclad friendship that burns with the fiery passion of 10,000 Suns between Sarah Sweetser and Kirsten Thompson.

Kirsten and Sarah are going out to the bar again tonight, the Two Peas in a Pod won't remember the night tomorrow.

Two Peas in a Pod by Joshqwanda October 10, 2017