Go with a girl a lot (3)
I believe the answer is:
vim
'go' is the definition.
Although both the answer and definition are singular nouns, I cannot understand how one could define the other.
'with a girl a lot' is the wordplay.
'with' says to put letters next to each other.
'a girl' becomes 'Vi' (short for Violet).
'a lot' becomes 'm' ().
'vi'+'m' is 'VIM'.
Can you help me to learn more?
(Other definitions for vim that I've seen before include "Energy and vigour" , "Pep and vigour" , "Pizazz" , "Liveliness" , "Pep (informal)" .)