blow-by

1)Blow-by occurs when the explosion in your engine's combustion chamber causes fuel, air and moisture to be forced past the rings into the crankcase. Your engine's rings must maintain an excellent fit in order to contain the pressure.

2) Blow-by also occurs when somebody who REALLY needs to take a dump lets loose a fart so putrid and heinous, that it smells as if he just crapped his pants.

Daaaaamn Shecky! *cough* Judging from the stain on your trou, that wasn't mere blow-by.

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blow

a term used for powder;cocaine

i used to be cool with her, but she is on blow now.

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blow in

like chime in. To come from no where and bud in the coversation like you were the one in i saying something totaly stupid and unrelated to the coversation.
Arrive, especially unexpectedly.

We'll say u'r in a Train saying a joke to friend then a old lady turns and says to u, 'I heard that one in my day' and laughs, what a blow in.
Or someone uninvited rocks up to your party acting like they've being there from the start, look who just blowed in.
Your playing football with u'r mates and 3 guys, nobody knows, starts playing, what blow ins.

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a Blow

To have a blow is to have an attack on ones situation or being.

"what you did was a big blow to my relationship"
"I didn't mean it as a blow."

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Blow

adj. To be less than amusing or boring.

This movie blows, lets get the hell out of here.

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blow

to blow - (v)- the act of snorting a drug, be it blow (cocaine), blows (heroin), or any other powdered drug that can be taken through the nose.

I blow 3 fat ass rails of that shit man... per day!

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Blow

When a niglet on a group call such as skype, whatsapp, etc. blows into his mic like the dick he is and rapes everyone's ears

Aids in sound form

person 1: *blow* pssssssshhhhhh
members in group call: AYE CARAMBA!!!

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