When you offer a muffin/dessert to your chubby partner. i.e. partner who has a muffin top.
“Would you like a top up?”
“Would you like a top up for your muffin top?”
by Chechi August 3, 2020
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On a certain unnamed Caribbean island (not Jamaica) top up means one who smokes ganja.
Dat white boy ok,how you know him,he top up?
by BSquared June 20, 2007
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Pheochromocytoma, a tumor of the adrenal medulla causing it to secrete large amounts of epinephrine and norepinephrine.
"My patient in room 214 has a jacked up kidney top so I had to prescribe her phentolamine."
by David Cartwright May 3, 2007
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To have sex with someone.
Damn hommie, when we were topping up last night, I busted 5 times, in a half hour.
by Ta'Lesha March 15, 2007
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The kind of music that you listen to only when the (convertible) top and all windows are up. Also known as 'closet music' it is the kind of music that you don't want anyone to know that you like.
The Black Eyed Peas came on Hits 1, but the top was down so I couldn't listen. BEP is my favourite top up music!
by carterh September 24, 2006
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Doing a poo.

Origin: mix of Australian and Nordic.
“Have you seen Gabs

“Yeah he’s just topping up the myki, so I wouldn’t be going in there for a while”
by JaxCrackers May 14, 2018
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