Jesse Tyler Ferguson & Eric Stonestreet crashed a frat afterparty

And you HAVE to hear what happened.

Modern Family Jesse Tyler Ferguson appeared on Conan last night and may have given us the best house party story … EVER!

The star told Conan about his visit to Kansas State University with fellow Modern Family co-star Eric Stonestreet.

As Stonestreet is an alumni of the university while on campus they decided to take a trip down memory lane and visit his old frat house.

Jesse first explained that they walked into the frat house during a house after party and it took everything in his power to hold back his urge to clean.

But it was what happened next gave us a stich in our side.

Eric Stonestreet walk into his old frat room on top of “a man and his lady friend under the sheets doing naughty naughty things”.

“We come into the room and they’re like, ‘Heyyyyyyy!,” Ferguson explains.

What would you do!? Well of course you’d ask for pictures with the stars!

Listen to the hilarious story unfold here: