Noun: the combination of LSD and Mescaline (preferably sourcing the mescaline from a San Pedro cactus)
Verb: to take such a combination
Verb: to take such a combination
by Mr. Porcupine July 4, 2021

by Scubatroupe December 9, 2008

by Ananka Bazaar December 7, 2021

by slynn513 May 4, 2010

"I got a late night text from a cougar that made no sense. She must have been cougar flipping again."
by Migrant Lurker September 14, 2012

Year # 43 = 34, On Your Birthday Cake Atleast..
"So you're 37 today? Wow! Too bad it's not one of your flip years.."
"So you're 37 today? Wow! Too bad it's not one of your flip years.."
by Nymo September 21, 2005

Essentially, flipping the hippo is a clean term that refers to sexual activities. The term is used as a verb phrase, and is often used to discretely discuss the weekend's activities without snoopers finding out your intentions.
(Friend to Friend, with others nearby) - We went out to dinner, and then that night we were flipping the hippo until she had to go back home.
by ElGringoPicante June 30, 2009
