The art of hijacking a friend's profile on the social
networking application Grindr and using it to spam/flirt with random
people the friend has no attraction to whatsoever.
(21) steals his best twink
mate Tom's (23) iPhone, opens Grindr and sends a suggestive message to StevetheBear (57).
Tom clearly would never have done this, had his phone not been
is therefore a "Grindrjackr".