Rtt8D 

"Roasted to the 8th Dimension"

Asshole: You're Mastermind but didn't get the girl in the end!!
Nerd: Yes, im Mastermind, but got the girl in the beginning.
All: Rtt8D!!!!

Rtt8D by innocent_and_insecure November 19, 2017

rttsd 

1)Righ Thing To Say Dude.

2)Remember To Tickle Sid's Dick.

In a chat romm you read: rttsd
this mean
Righ Thing To Say Dude.
or
Remember To Tickle Sid's Dick.

rttsd by PI314159265378 August 15, 2006