A combination of bromance and otp. If a pair are your brotp, you want them to be together, but only as bros.
Danisnotonfire and Amazingphil are my brotp.
by ~mycatismaile November 18, 2014
Similar to OTP, this refers to a set of best friends in a show, book or movie who are destined to be best friends forever.
by HipCoolAndRad March 31, 2010