Tipping culture in the US is a hot topic.Alexi Rosenfeld/Getty Images A DoorDash driver was fired after he cursed at a woman for tipping $5 on a $20 order. "It's a nice house for a $5 tip," the driver said, in a now-viral TikTok video of the incident. Tipping culture in the US is a hot topic on TikTok as users debate whether it's gone too far. A DoorDash delivery driver was fired for cursing at a woman who tipped him $5 on a $20 order.