Really easily.
Usually in the sense of buying a bluff, lie, etc. someone buying something "Like discount fish" means they bought it almost instantly, without a second thought or any sort of analysis.
The term references the fact that due to its high price, people will often buy discount fish almost instantly without any consideration of its quality or why it's on discount.
Dandyman: I may or may not have of lied to the local policía that in return for your capture, I would
give them immortality.
Alucard: And they fuckin' bought that?
Dandyman: Like discount fish.
Alucard: You cheeky dick-waffle!
Telling someone you like a boys butthole
John I like bussy
When you have had the Craic so much the night before your nose erupts like Mt. Vesuvius the next day!
BP: Hey AV how's the craic
AV: Weindish I'm still weeping like a mofo all over my keyboard!
Adj. When it's raining fiercly and consistently.
Hey Jimbo don't go outside.
Why not Limbo
It's raining like a horse out there!
a phrase used at the end of a comparison to cover up the fact that you had nothing to compare it to.
That game last night was like... ya know!
when someone can't decide between two things and ends up choosing neither of them.
like usual, Tyler can't decide between watching a movie or playing a game so he will spin like shit.
Cheesiest pick up line known to man, or wizards.
A small band of retail co-workers gather in a near-by sports bar, in order to get smashed and share their stories of idiot customers. During one brilliant moment of silence, the group over hears a drunken man, near by, approach a single female. Through copious amounts of liquid courage, he musters the cognitive strength to inquire if the lass wishes to "Go back to his place, to get weird like Wizards". One wonders, how many times this exact line has already served its intended purpose!