The top is also at risk because HIV can enter the body through the opening at the tip of the penis (or urethra), the foreskin if the penis isn't circumcised, or small cuts, scratches, or open sores anywhere on the penis.
How likely is it to get HIV from topping?
As for anal sex, the most risky sex act in terms of HIV transmission, if an HIV-negative top—the insertive partner—and an HIV-positive bottom have unprotected sex, the chances of the top contracting the virus from a single encounter are 1 in 909 (or 0.11 percent) if he's circumcised and 1 in 161 (or 0.62 percent) if 26 Mar 2014
Can you get HIV from just sticking it in?
No. HIV is only spread through specific body fluids: blood, semen, pre-seminal fluid (secreted from penis before ejaculation), vaginal and rectal fluid, and breast milk.23 Oct 2021