hi well its either the drugs or he is just not ejaculating enoufh if a guy dose not keep his sperm moving regular by masturbating or sex it will do that. but if your worried get him of to a lab and get his sperm checked out. ok good luck
boyfriend's semen is clumpy.? !? ! . hi my boyfriend didn't used to smoke and his semen looked fine (i compared it to others) and now that he started smoking (synthetic marijuana) his semen looks clumpy and stuck together. i mean its wet but it looks like shredded parmesan cheese and its in clumps. i want to know like is it possible his sperm is still able to fertilize or is he shooting blanks.