47 87 is a random line that RoadTripTV said in a song.

Meaning that they’ll love from the age of 47 until the age of 87 and then for the rest of their lives.
Though it could have been worded better, got across their point more clearly.

Roadtrip line:
“We’ll be 47, 87 all our lives.”
by I’m_A_Big_SPLOOSH July 6, 2019
Get the 47 87 mug.