It is when you apologize for committing 49 in the definition where you say something gay to your friends.
A euphemism for sex. Comes from the alphanumeric sum for the word sex where S = 19, E = 5 and X = 24.
My girl and I did the 48 last night.
bro - "how was your night with lily last night?"
me - "yeah pretty good, we 48'ed"
bro - "whats that?"
me - "like 69 but she gave me a handy and i got stinky fingers"
me - "yeah pretty good, we 48'ed"
bro - "whats that?"
me - "like 69 but she gave me a handy and i got stinky fingers"
48 by methheadsteve June 13, 2018
48
48 by Mommy and daddy don’t work EEE November 15, 2019
48 by StinkyPinkyGoBlinky May 1, 2021