Top definition
To get really fat.
I ran into my ex the other day, damn she blew up.
by Bluesoju January 22, 2012
Mug icon

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug
2
when a guy blows up in his pants. he fills his pants with cum
barby:did you pee yourself?
ken:no i blew up
by apple crisp September 19, 2005
Mug icon

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug