Top definition
Given by Terri Edda Miller as her definition of Castle Season 6 or more appropriately called SEASON SEX. Basically Castle + Orgasm = Castlegasm. It's an immediate after effect of Castle & Beckett's "Crime Solving Foreply" & "Eyesex".
Did you watch the Castle episode last night?! It was Castlegasmic!!
by Kat Fillion September 30, 2013
Mug icon

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug