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.
di Never Let It Go 10 settembre 2005
The act of squeezing a penis
"Bro, check out my squeenis right now."
di Reverend Revvy 17 ottobre 2015