Sex Tank 

1) A sex tank is a complimentary expression for a female who has a physique characterized by a curvy buttocks, a medium waist and large breasts. However women like these are rare, perhaps 1 in 5,000 in the general population. 2) A solidly built-for-sex body. 3) A female that could stradle you and you would be very lucky. 4) A female body that was made to please a man.

"Damn. Did you see that sex tank in the store?"

Sex Tank by kaliandloki October 16, 2011

sex tank 

A man with a fairly ripped chest and arm package, yet has a full gut filled up for sex and other high intensity activities. Usually due to drinking huge quantities heavy beer such as melbourne/victoria bitter.

tom: gee your looking big in the gut.

john: its just my sex tank, got a threesome saturday night need heaps of fuel to get through it.

sex tank by the original dizzler October 21, 2010

gas tank for a sex machine

A cute/ sarcastic name for a guy's beer belly

Woman: I like your beer belly, let's go get a beer some time?
Man: lol, beer makes you gain weight; it's not a beer belly, it's my gas tank for a sex machine
Woman: lol, I didn't know such machines, or their gas tanks, existed.

gas tank for a sex machine by Uncle Dimma November 10, 2017

gas tank for a sex machine

a cute/sarcastic name for a guy's beer belly

woman: I like your beer belly, let's get a beer some time?
man: lol, beer makes you gain weight; besides, it's not a beer belly it's my gas tank for a sex machine
woman: lol, I didn't know such machines, or their gas tanks existed.

gas tank for a sex machine by Uncle Dimma February 24, 2015

gas tank for a sex machine

A cute/ sarcastic name for a guy's beer belly

Woman: I like your beer belly, let's go get a beer some time?
Man: lol, beer makes you gain weight; it's not a beer belly, it's my gas tank for a sex machine
Woman: lol, I didn't know such machines, or their gas tanks, existed.

gas tank for a sex machine by Uncle Dimma September 17, 2016