not in my experience, I went for an imposed 3 week no cock touching anything sexually, and when I finally blew it was without doubt the the most intense orgasm of my life! - and it wasnt so much cum as a high powered water jet (ala supersoaker water gun )
it was like a cross between a piss and cuming, there wasnt so much spurts as usual, it was all long jets about 3-4 seconds of a constant stream of cum x4/5.....'spurts' , it was amazing though, pretty sure my eyes rolled to the back of my head for that one (if you can manage 3 weeks with no wank firstly well done and second the holy grail of male ejaculation awaits! )