I had to read it 3 times to get it

I got it once I read this comment

this may sound weird but the name "Tommy" gives me the feELS
all my gladers out there you know what i'm talkin' 'bout

dUDE

I don't, what does it mean?

At first it seems like they wrote "must let tom pick onions" but it actually stands for mustard lettuce tomato pickle onions, which is probably what they ordered on their sandwich

That makes SO much more sense, thank you