Refers to any delightful and sexual-desire-arousing visual experience --- like a group of hot chicks sunning themselves topless --- that causes a guy to get a woody and jizz his underwear.
"Relieving the pressure" before heading out the door can help you avoid any embarrassing "oopsies" if you unexpectedly happen upon a swellcum sight while you're "out and about".
by QuacksO June 1, 2019
Get the a swellcum sightmug. by ConnyzCorpse January 30, 2021
Get the Sight rapemug. by .0.7.9.7.1.5.3.7.4.6.5.9.7.3.4 May 8, 2025
Get the <.7.9.7.6.>A Seen Sight Before Hands Are Retrospects From Redundant Individual<.7.9.7.6.>mug. by Pulmig October 8, 2017
Get the aim down sightsmug. 
Means when you see the POS you are saying this to, your hands or fists will be connecting with their face
“Robert better watch out, when I see him it’s Hands on sight.”
“Fuck you bitch! Next time our paths cross its Hands on sight!!!”
“Fuck you bitch! Next time our paths cross its Hands on sight!!!”
by Hmmmmhuhwhat? August 12, 2022
Get the hands on sightmug. by Plantoid September 22, 2016
Get the Square sightedmug.