Generally referring to micro vehicles such as smart cars, Mitsubishi Mirage hatchbacks, Toyota Yaris etc. Tiny vehicles whos horns don’t really even beep, but rather sound like a baby bird doing it’s best.
Driver abruptly changing lanes: Did you hear something?
Passenger : I think that lil Meep Car just honked their horn at you.
Passenger : I think that lil Meep Car just honked their horn at you.
by Bradentonian June 7, 2022

A Meep Mop is a traditional song sung by the Little Snus. Scientists proved that the origin of the song was somewhere around 1833 and in parts of what is now Northern California.
by Dr. Smoofy July 18, 2017

i think yr so meep
by dinoxXxnugget June 1, 2021

A noise you make when unsure, uncomfortable, or another agreed emotion while judging someone that can’t be verbalized in the moment.
“My girlfriend is always out but she says she’s with friends!”
*You and friend look at one another knowingly*
“Meep!” :)
*You and friend look at one another knowingly*
“Meep!” :)
by Muppetbabi December 26, 2018

by yeep3000 June 27, 2017

"meep..."
by Ria vrg September 6, 2019
