“Something dripping out” of your boyfriend's penis could a sign of a genital infection. If he always uses protection (such as a condom) during intercourse, he probably didn’t “give” you anything. However, you can request laboratory tests to confirm or exclude possible sexually transmitted diseases, for example: genital herpes, gonorrhea, Trichomonas, Chlamydia, HPV, Mycoplasma hominis, Ureaplasma urealiticum etc. You can consult your gynecologist about this.