1. One who has transformed his/her brain from a complex sensory-processing organ critical to life existence, to a mass of ill-functioning goo (squish) with excessive & unmoderated drug-use.
The term "squish head" appeared in the original Twin Peaks, S2 - E5; it was used to refer to the cocaine-running Renault brothers - who were from Canada - as "...glue-sniffing, squish heads...".
by DharmaPunk70 June 26, 2017

Freddy: Hey William what are you doing tonight?
William: I'm just gonna go home and get some pink squish.
William: I'm just gonna go home and get some pink squish.
by Pussydestroyer3001 June 9, 2018

1) Pushing a grape in between a girls vaginal lips and popping it into a guys mouth
2) The act of fucking a girl so hard you virtually "smash her clitoris."
2) The act of fucking a girl so hard you virtually "smash her clitoris."
"Dude I totally Grape Squished that girl last night"
"Dude nice!"
"Yeah we fucked so hard I got Grape squished."
"Dude nice!"
"Yeah we fucked so hard I got Grape squished."
by The Grape Squisher November 2, 2013

Similar to popping the cherry, but with an elderly woman
Source: "NEVER GO FULL RETARD!" (H1Z1 Funny moments)
Source: "NEVER GO FULL RETARD!" (H1Z1 Funny moments)
Nanners: Is there any such thing as an old lady that's a virgin? Is that a thing?
Chilled: Yeah, nuns are. Do you think Mother Teresa died a virgin?
Nanners: So you have sex with a nun, and then, it would be popping a raisin?
Chilled: It would be crushing a raisin.
Hutch: It would be like mashing a raisin. I feel like smushing a raishin would ... squishing a raisin, there we go.
Chilled: Yeah, nuns are. Do you think Mother Teresa died a virgin?
Nanners: So you have sex with a nun, and then, it would be popping a raisin?
Chilled: It would be crushing a raisin.
Hutch: It would be like mashing a raisin. I feel like smushing a raishin would ... squishing a raisin, there we go.
by datmanydocris April 25, 2016

I'm totally getting side squish from my neighbor.
Meet a hot split tail at the bar I scored some side squish in the parking lot.
This bitch is making me crazy gotta get some side squish soon.
Meet a hot split tail at the bar I scored some side squish in the parking lot.
This bitch is making me crazy gotta get some side squish soon.
by McSnappypants August 5, 2012

by Jammal Taylor July 27, 2008

It means: beat the Miami Dolphins. However, after Dave Lundy published the novel "Squish the Fish”, it took on a perverted life of its own. In the book, Scooter thinks it means getting laid and pounding pussy.
After the Bills squish the fish and beat the Dolphins, I'm gonna celebrate at our tailgate party and squish my girlfriend's fish!
by Bottoms Up! July 18, 2020
