On Fri, 26 Apr 1996, Joshua Rowan wrote:

3. Ryouga kisses: has he ever been? even by Ranma in girl-form-disguised

  I haven't seen or read it, but from reading the manga synopses, I think 
Ryoga is kissed by onna-Ranma (which is, I believe, in the koi-rod 
story).  This made Ryoga very upset, because he wanted his first kiss to 

Another time I'm aware of: p. 15, tankobon #35.  Mirror-image onna-Ranma
kisses Ryouga.  This upsets him, because he was waiting for Akari, who
he was going to kiss, and it was going to be his first kiss, according
to him (I guess his mind blotted out the trauma of kissing Ranma before).

Ah.  That was probably the one I was thinking of.  Gomen.

-joyce, Disciple of Kasumi
Joey-kun no iinazuke!!