My brother and I are 'two peas in a pod'. We both like the same things.
We're growing tomatoes and 'peas' in our garden this year.
fog as thick as 'pea soup' = 'pea-soup' fog
(..) Dialogue: Marked=..,Default,NTP,!Effect,Hermione, move! Dialogue: Marked=..,Default,NTP,!Effect,Help! Help! Dialogue: Marked=..,Default,NTP,!Effect,Hey, pea brain! Dialogue: Marked=..,Default,NTP,!Effect,Help! Dialogue: Marked=..,Default,NTP,!Effect,Do something! (..)2001 Harry Potter and the Sorcerer's Stone