a walker who clearly has a grudge against cyclists tried to start a row with me the other day but I shut her down and rode off as I CBA with that “I’ve just had a massive row” feeling
Other than that, row with ex last year - although that was mainly text based so it’s not quite the same
Last big vocal row - driver who I witnessed knocking a cyclist off their bike, plus a prick of a local cafe owner who decided to stick his oar in.