A male homosexual who assumes the passive position during an act of anal intercourse; a "bottom." So called becase of the discharge of semen into the bottom's rectum.
"In his anxiously awaited autobiography, songwriter extraordinaire Bernie Taupin reportedy claims that his erstwhile partner Sir Elton John was a 'sperm butt' during the years of their collaboration."
-- Liz Smith, NY Daily News
-- Liz Smith, NY Daily News
by Tunmy AuGratin February 25, 2006
Get the sperm buttmug. Male :Do you think Mack is I a cum agent
Other male: aye he guzzled my spaff after I chugged away in the toilet
Male1: what a sperm agent penis milk drinking nonce boy
Other male: aye he guzzled my spaff after I chugged away in the toilet
Male1: what a sperm agent penis milk drinking nonce boy
by Celtic staff rape children January 10, 2020
Get the Sperm agentmug. A sperm sack is a sack of sperm that you keep for personal enjoyment of your primos or vagina it's may also be used as a weapon
by Snacksmacker245 July 18, 2017
Get the sperm sackmug. 
A way to describe the offspring of the coolest parents. Sperm that find their way to the eggs and sprout into children.
by Madcowwithatail May 3, 2018
Get the sperm sproutsmug. by The Salmon Juicer July 11, 2016
Get the Hyper Spermmug. by Fresh from the hairdresser September 12, 2018
Get the Sperm permmug.