context: it means "making the baby" thingy (Fish is really horny now bruh :skull:)

PF was always horny around Undyne, but this is a new level.
a8rs3l.gif (click to show)

LMAOLMAOLMAOLMAOLMAO-
just check my and pf's conversation in my message wall, you'll need a lot of bleach cuz I filtered out the most part of what fish said :skull:

give me the link it cant be THAT bad