A penis that is so similar in length and width, that it appears to be square.
John's squeenis could not go into Stacy's hole, because the square peg does not fit into the round hole.
ayon kay Never Let It Go ika-10 ng Setyembre, 2005
The act of squeezing a penis
"Bro, check out my squeenis right now."
ayon kay Reverend Revvy ika-17 ng Oktubre, 2015