List bot lane combos you think work well together and if you feel like it, explain why. I'll start.

Vayne/Blitzcrank -- Whether farming under turret or playing more aggressively the Blitzcrank pull followed by Vayne's condemn is a powerful remedy to long range harass that would otherwise zone Vayne out of farm due to her short AA range (compared to other ADCs).

Taric + TF can be good. The double stun can grant you an early kill or two to start pulling ahead in lane. Combo falls off as the game goes longer though.

Blitz + many ADC's works very well, such as Vayne, Cait(traps), TF, Graves/Trist(grab, dash/jump, ult backward), or even Varus snare. He's just a good support with an ability that pulls enemies out of position. Same applies to Taric's stun: it works well with generally anyone.

Twisted Fate+Kayle=Tons of CC

Taric+Graves+ Tons of damage

Leona+Graves= Tons of Damage

Trist+Leona=Tons of Damage

Trist+Taric=Tons of Damage

Kog+ Nunu=zoned out hard

Blitzcrank+anyone= tons of damage (and CC, depending on who you bring with him)

Graves+Soraka= tons of Buckshot

Vayne+Taric= tons of stun (and damage)

Ezreal+Leona= tons of damage

Corki+Leona= tons of damage

Corki+Taric= tons of damage

Ezreal+Sona= POKEPOKEPOKEPOKEPOKE

Trist+Alistsir= tons of knockback

Vayne+Alistair= tons of knockback (and stuns)

Lulu + Anyone. She's great with the squishies, and she's great with those that benefit from AP, with her Whimsy. And Help, Pix is fantastic, especially for setting up with Glitterlance for a slow. An 80% slow, even for 1.5 seconds, is a LOT when in that 1.5 seconds, and the few moments afterwards, your Kog has gotten in 5 attacks. Could make ALL of the difference.

Tristana-Alistar is the best lane in the game bar none.

Nunu+Kog

Nunu gives a nice AS buff that helps kog a lot, because kog relies more on AS than AD, Nunu also does a good job of protecting kog.

every time I see Nunu as Kog, Nunu decides to run off jungling x.x