“Finding Nemo” a popular kids movie where the main character Nemo swims looking for his family. This line is pretty simple but Sez is saying he’s swimming in a sea women because he’s a “G” (from the previous line) or Gentleman

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Eddie Murphy played in a comedy movie called “Holy Man” where he goes by the name “G”

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Other play on the words “Stand me” & “Feet at” because if you cant stand then where are your feet and if you cant stand that Sez is the illest then you dont have a foot to stand on from all the bars and lyrics he gives.

Sez has “Bars” like Kit Kat Bars ()

These is another complex play on words

the 1st meaning people better know Sez is gonna blow up from his flow and the way that he spits his bars. This is also a play on the words Blow/Flow/Mine because Sez is using “Flow” in the sense of floor which “Mines” are planted in and they blow up or “Blow”

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Pipelines found at skate parks where you ride them by going down them

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Sez is sayin he’s going in on the verse so tell a friend

“Phone a friend like a life line” also is a punchline from the game show “Who Wants To Be A Millionaire” where to answer a question you are allowed a “Lifeline” to phone a friend

Nike signs look like check marks
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Also known as checks which is a play on the word “Checks” which Sez means he’s gettin paid

Can you “Catch Up/Ketchup” or keep up when Sez switchs speeds which he does for the rest of the verse

Other play on words “You cant cut the mustard” is reference to the previous line because you wont make it to the top like Sez

“Catch up” used in this case is a play on it sounding like KETCHUP which is usually paired with Mustard