A fork of Rural Dictionary
The act of giving head, blow job, oral, eating out, etc... the word is a combination of "slurp" for sucking & "derp" for sounds being made while attempting to talk with genitalia in ones mouth.
It's that time of the month, so Jenny gave Johnny a little slurp-a-derp to calm him after his busy day.
To drink something delicious or to make it known that it’s magnificent.
That drink was slurp derp!
Slurp or derp is commonly referred to as the opposite of split or swallow, commonly referred to in the lesbian community. Slurp is to swallow as derp is to spitting.
Does your girl slurp or derp?