Beer pressure

The common peer pressure, but beer is involved.
Also: #1 cause of background anxiety among newbies at Oktoberfest.

"David and I went to the pub last night. I had little money, but he was pouring rivers of beer in his gullet. So I ended up drinking 3 pints of Gösser too."

"You must have felt so compelled... I know that feeling of beer pressure when I hang out with my friends."