Top definition
a chunk of ice formed from snow falling and coming together over the years and moving very slowly, either descending from high mountains or moving outward from centers of accumulation.
james: who man look that that glacier!

bobi: oh nice! it must be a continental glacier cause it's moving outward from centers of accumulation

james: .... the fuck?
by Ponchop August 02, 2010
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2
when a girl looks super hot and thin sitting down or when lower half is not visible, but when you see her whole body 80% of her body weight is in the hips and below. And not in a good way, in a way that looks like she could take down the god damn titanic itself.
Guy: damnnnn, that girl is so hot (about girl sitting down or lower half is not visible)

*girl stands up revealing shes a fat*

Guy: damn it....never mind, shes a glacier
by datrumole August 23, 2010
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3
Word for an older bisexual man who likes young boys.
That nasty old man is scoping out the elementary schools again. He is a glacier, call the cops.
by me May 30, 2006
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4
Insert ice cubes into your partners ass, then lay under them and drink the the shitty drip.

If this gets boring you can use a half order of Buffalo Wings instead of ice cubes, hence the "Lava Flow".
My mouth tastes like freezing cold ass from that glacier I just gave.
by dan the tank June 21, 2007
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5
Men whose minds work at the speed of 0.3 miles per year. They are very dense, slow minded, and stupid. They also do not respond appropriately, and can offend people without knowing.
Girl: "I told him I missed him and he responded with "ok" !!" Friend: "Aw jeez, he's a glacier."
by katkitkitkat December 07, 2013
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